AU657693B2 - Method of installation of remote controlled doors and mounting apparatus for use therein - Google Patents

Description

'ii.

CORRERED VERSION Pcr under INID Numbers (71)(72) "Applicant and Invenlor", replace "|AU/AUl" by "IGB/AUI" is -11 INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (51) International Patent Classification 5 (11) International Publication Number: WO 92/02705 15/00, 15/10, 15/16 Al 15/18 (43) International Publication Date: 20 February 1992 (20.02.92) (21) International Application Number: (22) International Filing Date: Priority data: PK 1536 2 August PCT/AU91/00340 2 August 1991 (02.08.91) Published With international search report.

6vmro 93 1990 (02.08.90) (71X72) Applicant and Inventor: COUGAN, Kenneth, Stanley |GB/AUI; 7 Brewer Street, Clontarf, QLD 4019 (AU).

(74)Agent: KELLY, Robin, Thomas; G.P.O. Box 1074, Brisbane, QLD 4001 (AU).

(81) Designated States: AT, AT (European patent), AU, BB, BE (European patent), BF (OAPI patent), BG, BJ (OAPI patent), BR, CA, CF (OAPI patent), CG (OAPI patent), CH, CH (European patent), CI (OAPI patent), CM (OA- PI patent), CS, DE, DE (European patent), DK, DK (European patent), ES, ES (European patent), FI, FR (European patent), GA (OAPI patent), GB, GB (European patent), GN (OAPI patent), GR (European patent), HU, IT (European patent), JP, KP, KR, LK, LU, LU (European patent), MC, MG, ML (OAPI patent), MN, MR (OAPI patent), MW, NL, NL (European patent), NO, PL, RO, SD, SE, SE (European patent), SN (OAPI patent), SU, TD (OAPI patent), TG (OAPI patent), US.

(54) Title: METHOD OF INSTALLATION OF REMOTE CONTROLLED DOORS AND MOUNTING APPARATUS FOR USE THEREIN (57) Abstract A method of installation of remote controlled doors and especially overhead sectional doors to a doorway includes to following steps: mounting a track member to a doorway on one side of the doorway and adjacent a top part of a doorway wherein said track member extends into a building such as a garage which incorporates the doorway substantially parallel with and spaced from the path (17) defined by movement of a door (10A) installed in said doorway into said building, the track member incorporates a control member (10) movable along the track member and wherein there is also provided drive means (18) for actuating movement of the control member and (ii) connecting said door (10A) to said track member by providing link means and pivotally attaching the link means to said door (10A) and also to said movable control member whereby said door (10A) may open or close said doorway by movement of the control member (10) upon remote controlled operation of said drive means (18).

f+ Seeback of page -z I7 SPCrAU 91/ 0034 0 y- PC/AU 9 0034 0 RECEIVED 27 AUG6 U TITLE OF THE INVENTION Method of Installation of Remote Controlled Doors and Mounting Apparatus for Use Therein TECHNICAL FIELD THIS INVENTION relates to a method of installation of remote controlled doors and mounting apparatus for use therein. The invent.-on may apply to any kind of door but is particularly efficacious in relation to garage doors.

BACKGROUND ART A conventional method of mounting remote control apparatus or a remote control operator in regard to controlling movement of an overhead garage door is to install such remote control operator above the door and approximately in the centre of the doorway. Usually an anchor plate is fixed to a centrepoint of a top edge or leading edge portion of the garage door and a link arm at one end is pivotally attached to the anchor plate and at the other end is pivotally attached to a carriage mounted in an overhead track which is located above the doorway and which extends lengthwise of the garage interior coinciding with the centre of the doorway. The overhead track is normally rigidly mounted to a mounting plate located above the doorway at one end and is also attached to an electric motor or power head at its other end. The motor may be rigidly mounted to a bracket depending from a top wall or ceiling of the garage. There also may be utilised a pair of side tracks which each may retain a plurality of support rollers which are each attached to an associated side edge of the garage door.

When it is desired to open a closed doorway the electric motor may be actuated by a hand held actuator.

The carriage whereafter may move along the centre overhead track pulling the door with it so that the door opens up the doorway. The actuator may subsequently initiate a reverse movement of the door to clpse the doorway. 0 A j SUBSTITUTE SHEET

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PCTA 9 1 00 3 4 0 RECEIVED 2 7 AUG s9 2 The conventional mounting apparatus for a remote control operator -f garage doors, as described above, has a number of disadvantages.

Firstly, it is common practice that a garage ceiling light or lamp is installed close to the centre of the ceiling and the position of the power head, as described above, may conflict with the position of the light thus causing the formation of shadows and impairing visibility.

Secondly, mounting of the power head to the ceiling of the garage by the aforementioned bracket and necessary ancillary support structure is cumbersome and expensive and also detracts from the aesthetics of the garage.

Thirdly, the conventional mounting apparatus requires a certain spacing or headroom above the doorway to be operational and in some locations or situations such spacing will not be present or available. Thus, the conventional mounting apparatus could only be utilised in a limited number of locations where such spacing was present.

Fourthly, it is often necessary to install support trusses to support a plurality of panels constituting the garage door. These trusses are normally positioned on the top or leading edge of the top panel and subsequent panels and serve to strengthen the panels and reduce the possibility of bowing or flexing both in the closed position and in the open position. Conflicts j .therefor' often arose during installation of the conventional mounting assembly because of the need for location of the anchor plate in the same position as the support trusses. Also, in some circumstances undue strain was placed on the panels of the garage door by the bowing and flexing of the panels.

Fifthly, the installation of the conventional mounting system was often time consuming and unduly complex owing to the support lstructure required avd for SSUBSTITUTE SHEET 1.

3 the necessity of the necessary headroom above the doorway.

Sixthly- it was necessary, in regard to the conventional mourring system to specify either a right handed or left handed apparatus and this only increased the cost of the conventional apparatus because of the necessity to manufacture each of these alternatives.

Reference may also be made to Australian Patent Specification 20711/88 which refers to a drive system for the operation of a variety of motor operated garage doors. The drive system includes a motor which drives a rotatable wo;:m shaft which mates with a lifting arm connected to the garage door. Reference is also made to UK specification 984278; US specifications 1,833,943; 3,051,014; 4,107,877; 2,256,613 and 1,634,233; UK specification 1,355,514; UK specification 2,170,553; German specification 863821 and UK specification 1,021,164 which are exemplary of the prior art and not believed relevant to the present invention. Australian spccifications 17231/70 and 15982/76 are also not believed relevant to the present invention.

DISCLOSURE OF THE INVENTION It therefore is an object of the invention to provide a method of installation of mounting apparatus for remote controlled doors which may alleviate at least some of the disadvantages described above.

According to a first embodiment of the present S..invention there is provided a mounting apparatus for a remote controlled overhead door in a building including a track member mountable to one side and adjacent a top part of a doorway and extendible into the interior of the building in a direction substantially normal to the doorway, (ii) a control member moveable along said track member, (iii) remote control drive means for moving i said control member, and (iV) a link pivotally attached to said cotrol mtnmber and adapted to pivotally attach to the door.

'1 4 According to a second embodiment of the present invention there is provided a method of installing the mounting apparatus of the first embodiment the steps of i) mounting said track member to one side and adjacent a top part of a doorway and extending into the interior of the building in a direction substantially normal to the doorway, ii) pivotally connecting said link to said control member, and iii) pivotally connecting said link to said door or an abutment thereof.

The method of installation of the invention may be utilised in regard to installation of the mounting apparatus to an existing garage door or alternatively in relation to installation of a new garage door. In the latter case, the door may be hung in the doorway by the pivotal attachment of the link means to the movable control member and to the door or an appendage of the door such as a support member described hereinafter.

In step the track member preferably has the drive means, such as an electric motor or power head, attached to the track member and more preferably at one end of the track member or laterally of one end of the track member. Preferably the electric motor may have an output shaft which is coupled to a wormshaft which is rotatable upon actuation of the electric motor. Any suitable coupling may be used for this purpose such as belt drive for example or suitable reduction gearing.

Alternatively a chain and sprocket arrangement may be 30 utilised to move the control member along the track Smember. However, it is preferred that a wormshaft be utilised which has a suitable traveller or shuttle such as a travelling nut mounted therein which moves longitudinally along the track member upon rotation of the wormshaft by the electric motor.

The travelling nut may constitute the movable control member and to this end there may be provided an outwardly directed drive plate rigidly attached to the NOYi PcT/AU 9 1 0 03 4 0 RECEIVED 2 7 AUG 1I travelling nut which may be pivotally attached to the link means. More preferably however there is provided a pivot support member such as a pivot bracket interconnecting the drive plate and the link means. In this embodiment the pivot bracket plate may be rigidly attached to the drive plate and pivotally attached to the link means. In another and more preferred arrangement there may be provided a carriage member releasably attached to the travelling nut and which incorporates the outwardly directed drive plate.

Suitably the drive plate may extend through' a longitudinal slot in the track member.

It is desirable that the link means may constitute a strap member or planar elongate arm.

However, this does not preclude the use of an arm having offset end portions and a relatively shallow included angle. It is preferred that the strap member however be oriented in a plane which is normal or at a different plane to the plane of the plate or bracket attached to the travelling nut or the attachment member. This may preclude any undesired rotation of the link means.

Preferably the pivot bracket includes offset body parts. One body part may be coplanar with the drive plate attached to the travelling nut and the other body part may be coplanar with the link arm.

The link arm may have two end apertures or cut outs, one of which is pivotally attached to the pivot bracket and the other of which is pivotally attached to the door\or support member referred to above.

Suitably the support member is a support plate which mounts a pivot pin in an adjacent cut out of the link arm. The support plate suitably is oriented at an angle to the plane of the door and is suitably attached to a hinge which mounts a guide roller for travel in an adjacent side track. Thus in this particular embodiment the hinge which usually is used to mount the support roller may ilso be used as an attachment rocation fC the

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SUBSTITUTE SHEET I._^mN _.r/AU9/00340 wno270s PCT/AU91/00340 PCT/Au9 1 0.3 4 0 RECEIVED 2 7 AU 1991 6 support plate. However, it will be appreciated that this is not essential and that the link arm may be pivotally attached to the door at a location spaced from the hinge.

In another arrangement the link arm may be pivotally attached to an axle of the guide roller.

There also may be provided release means for releasing or disconnecting control of door movement from the drive means. This is especially useful in the advent of a power failure whereby it will be necessary to operate the door manually. For example, if the door is the only access to the garage then an external key release would be extremely useful. Suitably the release means may be operated from inside the garage or outside.

Suitably the release means is applied to manual disengagement of the link means and the support member.

In one form this may comprise a suitable line member such as a cable whereby the cable may be associated with the support member to carry out the above releasing or disconnection function. More suitably however the support member may :iave associated therewith a striker plate which when moved by the cable causes the aforesaid releasing or disconnection function. Suitably the cable is an inner cable and may be incorporated in an outer cable which functions as a cover or housing and thus allows for unrestricted movement of the inner cable relative to the outer cable regardless of location and in this regard only the inner cable may be associated with a suitable actuating means for the release means. Thus, the inner cable may pass through an aperture which will not accommodate the outer cable and thereafter the inner cable may engage with the actuating means which suitably includes a manually controlled handle or actuating lever to which the inner cable is attached. Preferably however the inner cable is associated with a key which when turned in a lock or barrel or other release member causes ij the above described releasing movement of the inner cable. In this regard the release member may be SUBSTITUTE SHEET It "i ii. ii-.ii 11 j T j^ f^ r PCT/AUI 9 1 0U 4 RECEIVED 27 AU s9 7 accessible externally of the door. When the release member is pulled this may then cause the releasing movement of the inner cable to unlock the door.

BRIEF DESCRIPTION OF THE DRAWINGS Reference may now be made to a preferred embodiment of the invention illustrated in the attached drawings wherein:- FIG 1 is an exploded perspective view of mounting apparatus constructed in accordance with the invention; FIG 2 is a detailed view of a manual release means for use with the mounting apparatus of the invention in a non-operative position; FIG 3 is a similar view to FIG 2 showing the cable release means in an operative position; FIG 4 is a perspective view of the mounting apparatus of FIG 1 in regard to installation of a remote controlled garage door; FIG 5 is a similar view to FIG 4 but showing a different form of mounting apparatus; FIG 6 is an exploded perspective view of the manual release means shown in FIGS 2 and 3 in conjunction with an appropriate operating mechanism; and FIG 7 is a similar view to FIG 6 showing a different operating mechanism in regard to the manual release means.

FIG 8 is a perspective view of a releasable mounting for the carriage member to the travelling nut; FIG 9 is a sectional view of the embodiment of FIG 8 when the carriage member is mounted in the travelling nut; and FIG 10 is a similar view to FIG 9 showing the carriage member released from the travelling nut.

DESCRIPTION OF PREFERRED EMBODIMENT OF THE INVENTION In regard to FIG 1 there is shown pivot support member 1 in the form of a bracket having vertically oriented flanges ia and ib in--use which'inhibit rztation su s.T4 0< SUBSTITUTE SHEET Jl I PCTr/AU 91 0034 0 RECEIVED 2 7 AUG 0I, of the support member in a vertical axis. The bracket has aperture ic for attachment to a drive plate attached to the travelling nut or carriage member which functions as an example of a movable control member. The use of a single securing aperture Ic is useful in that it speeds up the installation time. The pivot aperture Id is set sufficiently low as shown to permit link rod 2 to rotate a relatively small amount above a horizontal orientation in use which is useful after the garage door has started to rise. The pivot support 1 also has offset or angled body parts le and If oriented at right angles to each other.

The link rod 2 has pivot aperture 2a at one end thereof which rotates in conjunction with aperture Id and is attached by any suitable means such as a shoulder bolt or rivet. The link rod '9 at its other end al'so incorporates a hook or cut out 2b. The diameter of the interior of the cut out is slightly larger than the transverse dimension of the mouth 2d of the cut out.

This ensures that the cut out 2b does not disengage with an associated pivot pin 3 while under forward or backward loading. A pressed rib 2c ensures that link rod 2 has sufficient rigidity under compressive loads.

The pivot pin 3 is fitted through coaligned apertures 4c and 4d in door support plate 4. It is initially located by pulling pin 3 inwards against the bias of spring 3d and placing cut out 2b over the pin 3 inside collar 3a. The spring 3d is contained between flange 4e and washer 3b which in turn is retained in T 30 desired position by a split pin 3c extending through mating passage 3e. It will be appreciated that there are many other methods of retaining spring 3d in desired position such as a spring clip or long bolt with a short threaded section to accept a nut.

During installation, initially, link rod 2 would be hooked over pin 3 by first moving the-.pin 3 against the bias of spring 3d and until collar 3a ealowed SUBSTITUTE

SHEET

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PCrrAu 9 1 00 3 RECEIVED 2 7 AU6 0 9 sufficient clearance for cut out 2b to engage pin 3. The engagement between pivot apertures 2a and Id retains the link rod 2 in a desired vertical planar orientation and when the link rod 2 is physically lifted away from pin 3 the pin immediately is returned to a non-operative position by the bias of spring 3d. This ensures that the collar 3a is now moved as close as possible to flange 4e so that when the door is raised there are no obstructions to interfere with any part of link rod 2, pivot bracket 1 or the drive plate associated with the travelling nut.

The support member 4 may be fixed either to the underside or other suitable position to the hinge which supports a top support roller. However, as stated above, the support member 4 may be attached to the door spaced from the support roller hinge if necessary.

If overhead tracks for the support rollers are not set at right angles to the plane defined by the opening of the door when the door rises the support rollers adjacent the top of the door will float outwardly to accommodate any tolerance or discrepancy that has occurred. The floating pin 3 will work in a similar manner and will take up any discrepancies or tolerances in the fitting of the overhead tracks for the support rollers.

The support member 4 may be attached to the door in a top part thereof in a number of different orientations depending upon the type of door. The support member 4 has one or more attachment slots 40 for this purpose which enable the position of the support member 4 from an adjacent surface of the door or door edge to be varied as may be required. Aperture 4b is intended to accommodate the installation of a cable release mechanism to which includes bracket 5 and striker plate 6. Bracket 5 has aperture 5b which mates with aperture 4b. The down turned flanges 5a of bracket inhibit bracket 5 from rotation in a vertical axis and "k hence attachment between bracket 5 and support meTber 4 Mn~f X 2~47-

W.

SUBSTITUTE SHEET.

PcrA 9 1 /0 0 3 4 0 RECEIVED 2 7 AU6 IN is facilitated with a single fastener. The combination of bracket 5 and support member 4 supports the rotating striker plate 6 which is pivoted in pivot apertures and 6a. The striker plate 6 rotates a fraction over degrees and may be pulled by a stranded steel inner cable 7 which passes through an outer cable 8 such as a bicycle cable sleeve. The end of cable 8 is retained by a cable clamp (not shown) which is located through lug 6b or 6c depending upon the hand being used.

Spring 6d ensures that striker plate 6 always returns to a vertical position and surrounds cable 8 which passes through aperture 5f. A tension spring could also be used by attachment between adjusting screw 6e used in relation to aperture 6c and a fixing screw utilised in relation to aperture 4b.

An adjusting screw may pass through aperture The depth of this screw governs the positions of lug or aperture 6c which enables the striker plate 6 to always return to a vertical orientation in a consistent manner which is independent of spring tension and cable resistance. The other end of outer cable 8 passes through the door to a key operated release lock shown in FIG The function of the cable release mechanism is shown in FIGS 2 and 3. When the inner cable is pulled by operation of the key operated release lock this will move the striker plate 6 from a non-operative or down position shown in FIG 2 to an operative or release position shown in FIG "3 whereby the striker plate will disengage link 4 30 rod 2 from engagement with pivot pin 3. Upon this disengagement occurring pin 3 will then move inwardly under the influence of spring 3d. This will allow link rod 2 to hang vertically in a non-operative position.

FIG 4 illustrates the method of the invention wherein the track 9 which carries remote controlled drive plate 10, which is associated with a travellTng nut (shown in FIG is initially installed in a garage so 0LS SUBSTITUTE SHEET L i -W92/02705 k. WO 92/02705 HfW/l >I PC/AU 91 /00 34 0 RECEIVED 27 AU6 .9 11 that the track 9 is located on one side of a doorway 8 having associated therewith garage door 10 comprising a plurality of panels 11 interconnected by brackets 12.

The track 9 is substantially parallel and spaced from path 7 defined by movement of the door 8 into the building. Each bracket 12 includes a hinge 13 for supporting a support roller 14 on axle 15. In regard to top panel 11A the top bracket 12A extends outwardly from door 10A as shown and is attached to support member 4 in any suitable fashion such as use of appropriate fasteners. Support member 4 has a rear end 16 which is spaced from top panel 11A. There is also shown tracks 17 for supporting guide rollers 14 and powerhead or electric motor 18 for effecting movement of the travelling nut by a wormshaft (shown in FIGS 9-10). There is also illustrated an auxiliary spacer bracket 19 which maintains tracks 9 and 17 in spaced relationship.

In FIG 5 which illustrates a different form of mounting apparatus to that shown in FIG 4 the link arm or rod 2 is attached to axle or pivot pin 15A for support roller 14 wherein axle 15A extends through aperture 17A of link arm 2. This enables link arm 2 to be permanently connected to axle 15A especially if drive plate 10 is releasably attached to the travelling nut or wormshaft.

In FIG 6 there is illustrated a suitable operating mechanism for the release means and it will however be appreciated that this is only one of a number of operating mechanisms that may be utilised. In FIG 6 there is\shown key 20, barrel lock 21, key housing 22 and cable plate 23. There is also illustrated aligned apertures 24 and 25 of cable plate 23 and key housing 22 as well as a further set of aligned apertures 26 and 27.

The operation of the arrangement shown in FIG 6 may commence when key 20 is turned in key housing 22 to release barrel lock 21 from the key housing 22. Barrel lock 21 may then be pulled manually outwardly pulling inner cable 7 with it until the oi:t;er cable 8 abuts cable SUBSTITUTE SHEET.

,i h f i 11;~ SPCrrAU9 1/00 3 4 RECEIVED 27 AU6 U19 12 plate 23. Further outward movement of barrel lock 21 then causes rotational movement of striker plate 6 to a release position as described above. The operating mechanism may then be returned to the operational position by feeding cable 7 back through the key housing 22 and then turning the key 20 to lock the barrel lock 21 in the key housing 22.

In FIG 7 there is shown a different operational arrangement for the release mechanism wherein the inner cable 7 is attached directly to a release member or ring shown in FIG 8. In the FIG 7 embodiment the support plate 4, bracket 5 and striker plate 6 have been omitted to provide a more simplified approach.

In FIGS 8, 9 and 10 there is shown a carriage member 28 having drive plate 10 extending outwardly therefrom and having aperture 29 for attachment to mating aperture Ic of pivot bracket 1. Carriage member 28 includes a body part 30 and central rib 31 which is integral with drive plate 10. There is also shown a release member in the form of ring 32 which is attached to cable 7. Also shown is retaining slot 33 having an arcuate base surface 34. Slot 33 also includes a central enlarged part 33A for retention of shank 37 of mounting pin 35 having a head 36. There ia also provided slot 38 in shank 37 and coil spring 39. There is also shown i socket 40 which includes socket components 40A located in carriage member 28 and component 40B located in travelling nut 41. There is also shown track member 9 x, having internal passage 42 which accommodates a carriage member 28 and travelling nut 41 is retained in internal passage 43 as best shown in FIGS 9-10. Travelling nut 41 is rotatably connected to worm shaft or lead screw 44.

In operation head 36 of mounting pin 35 is retained in recess 40 and included in both components and 40B to connect carriage member 28 to travelling nut 41 as shown in FIG 9. Release ring 32 engages inslot 38 ^of shank 37 and also abuts arcuate base surface 34 of NSUBSTITUTE SHEET I Inter onl Application No. PCTIAU 91100340 S 1 Pcr/A, 91/ 00 34 0 RECEIVED 27 AU6 13 recess 33. Mounting pin 35 is retained in socket against the bias of coil spring 39.

As shown in FIG 10 upon an upward pull by cable 7 this will release head 36 from being accommodated in socket component 40B and thus carriage member 28 is released from engagement with travelling nut 41. This movement is facilitated by the upward bias of coil spring 39, After the upward movement of pin 35 the ring 32 may rotate at 90° as shown in FIG 8 to adopt a release orientation 32A sihown in phantom in FIG 8. Preferably ring 32 is a split rin although this is not essential.

From the foregoing therefore, it will be appreciated that the invention also includes within its scope mounting apparatus which include the support member, the link means and the attachment member.

Advantages attributable to the present invention include the following:by installing the track at a side of the doorway, no conflict is possible with any lights on a ceiling of a garage; (ii) the necessary ancillary support structure for mounting of the drive means to the garage ceiling is now dispensed with; (iii) the necessity of the headroom above the doorway which is essential with the prior art is now omitted; (iv) thr side positioning of the drive means requires minimal side clearance and where such side clearance is not available it is possible to reverse the arrangement end to end or rotate through 180° such that the powerhead or motor is located rearwardly of the track and rotated to face inwardly. This reduces the amount of side room the powernead and associated track requires in regard to the same dimension needed for installation of_the door. Thus, there is virtually no situation where it is not possible ICT-r SUBSTITUTE SHEET PCT/AU91 0 3 4 0 RECEIVED 2 7 AUG 91 14 to utilise the method of the invention. If desired the powerhead could be installed in a vertical position on an overhead door in a similar manner as recommended for a roller operated door if desired.

the problem of the support trusses, as described above in regard to the prior art, is substantially overcome. Thus, conflicts in regard to mounting of the drive means and track in a conflicting or interfering position with the trusses is avoided. No flexing or bending movement of any kind is applied to the door panels and the transmission of loads from one side to the other are channelled in a direction corresponding to diagonals of the door panels.

As this system creates no strain on the centre of the door the load created by the support roller connected to the link rod is transmitted to the other support rollers on the same side of the door. On the other side the door panels themselves support movement of the support rollers.

(vi) One of the major advantages of the side mounted system of the invention is the speed of installation. This can be further increased by supplying the powerhead and associated drive track together with the door support track as one component.

(vii) The method of the invention is not restricted to a right hand or left hand installation. Thus, the same advantages are appropriate by installation of the powerhead and track on either side of the door.

SUBSTITUTE SHEET -i ~EISUBSTITUTE SHEET r' j

Claims (15)

1. 3. A mounting apparatus for a remote controlled overhead door in a building including a track member mountable to one side and adjacent a top part of a doorway and extendible into the interior of the building in a direction substantially normal to the doorway, (ii) a control member moveable along said track member, 9 4 C Ci C C C C~ C 9 0e 9 (iii) remote control drive means for moving said control member, and (iv) a link pivotally attached to said control member and adapted to pivotally attach to the door. 2. The apparatus as claimed in claim 1 including a rotatable shaft located within the track member and said control member includes a carriage member mounted on said rotatable shaft. 3. The apparatus as claimed in claim 1 or claim 2 wherein said control member includes a pivot bracket for 20 attaching said control member to said link.
2. 4. The apparatus as claimed in claim 2 or claim 3 wherein said track member has a longitudinal slot and said carriage member includes a drive plate which extends from said slot.
3. 5. The apparatus as claimed in any one of claims 2 to 4 wherein said rotatable shaft is a worm shaft and said carriage member is mounted on a travelling nut rotatably mounted on said worm shaft.
4. 6. The apparatus as claimed in claim 5 wherein said carriage member is releasably mounted to said nut.
5. 7. The apparatus as claimed in claim 6 further including a connection member for connecting said carriage member to said nut, said connection member being resiliently mounted in a recess of said nut and operatively associated with a release member such that upon activation of said release member, said connection member demounts from said recess.
6. 8. The apparatus as claimed in claim 7 wherein I (cr, 16 said connection member has a retaining slot to which said release member is mounted.
7. 9. The apparatus as claimed in claim 3 wherein said link includes a link strap member oriented in a different plane to that of the pivot bracket. The apparatus as claimed in any one of claims 1 to 9 wherein said drive means is located at one end of said track member.
8. 11. The apparatus as claimed in any one of claims 1 to 10 further including a manual release means.
9. 12. The apparatus as claimed in claim 11 wherein said manual release means disengages said control member from said track member.
10. 13. The apparatus as claimed in claim 11 wherein said manual release means disengages said link from the door.
11. 14. The apparatus as claimed in any one of claims 11 to 13 wherein said release means includes a line member movable by a key release located on the door.
12. 15. The apparatus as claimed in claim 15 wherein said line member includes an inner cable movable inside San outer cable and said inner cable is attached to a 4 manually controlled lever subject to said key release.
13. 16. A mounting apparatus for a remote controlled S 25 overhead door in a building, substantially as (I hereinbefore described with reference to Fig. 4; Fig. S* Fig. 4 and Fig. 6 or 7; Fig. 4, Fig. 6 or 7 and Figs. 8 to 10; Fg. 5 and Fig. 6 or 7 or Fig. 5, Fig. 6 or 7 and Figs. 8 to 30 17. A method of installing the mounting apparatus as claimed in any one of claims 1 to 15 including the steps of i) mounting said track member to one side and adjacent a top part of a doorway and extending into the interior of the building in a direction substantially normal to the doorway, ii) pivotally connecting said link to said control member, and -'p ,o o e iii) pivotally connecting said link to said door or an abutment thereof.
14. 18. The method as claimed in claim 17 wherein said abutment is a support member extending from said door.
15. 19. The method as claimed in claim 17 wherein movement of said door is guided by one or more guide rollers each having an axle attached to the door or a roller bracket attached to the door and said link is attached to one of said axles. .0 DATED this Eighteenth day of November 1994. KENNETH STANLEY COUGAN By His Patent Attorneys CULLEN CO II It, I I I I I 1 I I $1 a.1 t 1'1 1 I_ i 1