AU607983B2 - Brick laying tools - Google Patents

Description

Signature of applicant or Australian attorney gnature) (Signature) THE COMMISSIONER OF PATENTS This form must be accompanied by either a provisional specification (Form 9 and true copy) or by a complete specification (Form 10 and true copy).

l.r leg. i: jPAEAUSTRALIACT PATENTS ACT 1952 607983 Form COMPLETE SPECIFICATION

(ORIGINAL)

FOR OFFICE USE Short Title: Int. Cl: t i r Application Number: Lodged: tital Complete Specification-Lodged: Accepted: S° Lapsed: Published: This document contains the amendments made under Section 49 and is correct for printing Priority: a o 0 00 0G O 9 0 fo oRelated Art: o a o 9 o a i *,'Name of Applicant: Address of Applicant: TO BE COMPLETED BY APPLICANT BORISLAV LESTER 20 .Satura .Ternade d6.n6aster East Victoria, 3109, Australia Actual Inventor: BORISLAV LESTER Address for Service: JOHN L.DAVIES CO. Patent Attorney P.O.Box 436 39 Cheviot Rd.) Mt.Waverley, Victoria, 3149 Complete Specification for the invention entitled: BRICK LAYING TOOLS The following statement is a full description of this invention, including the best method of performing it known to me:-* SNote: The description is to be typed in double spacing, pica type face, in an area not exceeding 250 mm in depth and 160 mm in width, on tough white paper of good quality and it is to be inserted inside this form.

14599/78--L Printed by C. J. THOMPSON, Commonwealth Government Printer, Canberra 1 i: This invention relates generally to brick laying tools and more particularly relates to a brick laying tool or tools which will enable an inexperienced user to lay bricks course upon course to a professional standard of appearance and structural requirements.

In usual brick laying practice, the mortar is manually spread on the top of the existing course with a trowel. A hand-held brick is buttered on the end and placed on the top of a line of just-thrown mortar. The brick is then aligned by bumping the brick down into the mortar. The mortar is then cleaned off, and the joints finished off as required. This method suffers from the disadvantage that mortar is handled twice, once from the barrow to the mortar board and once from the mortar oo board to the hand-deposited mortar line. The physical effort of holding the loaded mortar board witli one hand and depositing of mortar with the other is considerable.

Extrusion of mortar causes high loss and recycling of mortar tends to dirty the bricks. Mortar has to be o oos 200 buttered to each brick end before laying. This situation demands that the bricks are in close proximity to mortar storage for application of mortar and mortared bricks are then carried to the mortar line for laying.

00 It is an object of this invention to provide 0 5 0 a brick wall mortar course tool.

Another object of this invention is to provide 0 o o a brick wall mortar perpend tool. Jo According to the invention, there is provided a) clor\- r5 o o mortar tool kit comprising: arapperr tool for carrying and laying a definitive quantity of mortar upon 0 00 0 a brick course, the hopper tool comprising a body with a substantially rectangular-shaped tray frame portion formed by side wall and end walls surrounding a bottom opening of dimensions substantially equal to the area and thickness of mortar of a course between bricks laid along a brick wall structure, the tray portion being opened and closed by a flat bottom plate which is slidable i* laterally across under the opening and which i, integrally connected to two slide sleeves, mounted upon or integrally moulded with a movement stop back plate, the sleeves being connected to each other by an inner cross bar handle and being mounted on runners, the outer end of each runner being joined by an outer cross bar pull handle, the flat bottom plate being moved into a fully open position to drop a wafer of mortar intact onto a brick by squeezing the inner cross bar pull handle and outer cross bar pull handle towards each other by using the thumb and fingers of one hand and into a fully closed position by moving the said handles away from each other and a brick wall mortar perpend tool comprising an open top hopper adapted to receive and carry mortar and a bottom sloping towards a transverse bottom slot, adapted to be placed over a mortar perpend gap on a brick wall after a 0 o S horizontal mortar course has been laid, the mortar being Sadapted to be rammed into the perpend gap via the slot, while the mortar perpend tool is in place on a brick wall course, perpend, mortar-retaining legs depending downwardly from each bottom corner of the mortar perpend tool adjacent each end of the slot, the legs being adapted to retain mortar in the perpend gap between bricks, while mortar is being placed into the gap.

02 ,2 Preferably, the slidable bottom plate of the &eC ^e~or%0 C O. uce kook trayjhas a pair of integrally moulded sleeves thereon and the tray frame is integrally mounted with a pair of runners upon which the sleeves are adapted to be slidably reciprocated,lbrick edge locating lug projects downwardly from each outer corner of the tray portion, aktool l positioning handle eoe "n oTo,\ Gci oMue o (the tray portion, the outer cross bar pull handle is removable to enable the sleeves to be removed from the runners and vice-versa for removal and cleaning of the flat bottom plate with sleeves and integral movement stop plate from the runners for cleaning, the mortar-retaining legs each have inwardly perpend-facing surfaces thereof convexly curved, so as to form a raked finish of external -2a- 0) 0i 000 0 0:00.

000 000o 0 *0* mortar face rammed into the perpend between bricks and a locating lug depends from each bottom corner of the hopper opposite to the mortar perpend legs.

The invention includesla mortar course tool o ti in the above described[mortar: tool kit and for carrying and laying a definitive quantity of mortar up n a brick course, the tool comprising a body with a su stanially rectangular-shaped tray frame portion for ed by side walls and end walls surrounding a bottom pening of dimensions substantially equal to the area a d thickness of mortar of a course between bricks laid along a brick wall structure, the tray portion being/opened and closed by a flat bottom plate which is slid ble laterally across under the opening and which is int grally connected 15 to two side sleeves, mounted upon or in egrally moulded with a movement stop back plate, the s eevesbeing connected to each other by an inner cross bar ull handle and being mounted on runners, the outer end f each runner being joined by an outer cross bar pull handle, the flat bottom *O plates being moved into a fully/open position to drop a wafer of mortar intact onto a rick by squeezing the inner cross bar pull handle nd outer cross bar pull handle towards each other y using the thumb and fingers of one hand and into a f ly closed position by moving '25 the said handles away f om each other.

Ve.

The inventio also includes brick wall mortar S perpend tool o thej:.e d- tool kitwVeAo tih comprises a open-top hopper adapted to receive and carry mortar and a bottom sloping towards a transverse .50 bottom slot ad pted to be placed over a mortar perpend gap on a bricc wall after a horizontal mortar has been laid, the m rtar being adapted to be rammed into the perpend g p via the slot, while the hopper tool is in place on a brick wall course, perpend, mortar-retaining legs d pending downwardly from each bottom corner of the hopp adjacent each end of the slot, the legs being ada ted to retain mortar in the perpend gap between b icks while the mortar is being placed into the gap.

o000 0004 00 Q o 0 a 0 0 040 -2b- I ii ilri Preferably, a perpend mortar-retaining leg depends downwardly from each bottom corner of the hopperkadjacent each end of the slot, the legs being adapted to retain mortar in the perpend gap between bricks, while mortar is being placed into the gap.

Some embodiments of the invention will now be described by way of example only with reference to the accompanying drawings in which: Figure 1 is a perspective view of one embodiment of a mortar course, mortar carrying and laying tool according to the invention.

Figure 2 is a perspective view of a mortar perpend tool according to the invention.

*00 *0 0 0 040004 0 0 0 44~006 44 0 *1 4 0 I 4 L-i i ~i 1 Figure 3 is a perspective view of a mortar perpend rammer for use with the tool of Figure 2.

Figure 4 is a vertical section taken along the line 4-4 of Figure 1 and shows the tool in position on a wall course.

Figure 5 is a vertical section taken along the line 5-5 of Figure 2 and shows the tool in position on a wall course.

Referring to the drawings, there is shown in o Figure 1 in closed position, a mortar course tool 10 for carrying and laying a definitive quantity of mortar upon S a brick course which comprises a body with a substantially 0 0 0 rectangular-shaped tray portion surrounding an open bottom of lateral dimensions substantially equal to the area of io ~mortar of courses between bricks in a brick wall structure, which tray portion is defined by side walls 11, 12 and end o* o walls 13, 14, formed into a continuous rectangular, open framework adapted to be opened and closed by a sliding 0 bottom plate in the form of a flat plate 15, adapted to be 0@o slidably reciprocate laterally across the rectangular bottom opening. The sliding tray bottom 15 is integrally connected to two slide sleeves 16, 17, mounted upon (or integrally moulded with) tray and sleeve movement stop S back plate 18 and which are connected thereto by inner o ,e5o 025 cross pull bar handle 19, the slides are sleeved upon, or adapted to run on runners or rods 20, 21, one or outer end of which is fixedly connected to outer cross bar by rear pull handle 22, screw mounted between the runners. A front handle 23 is provided to assist correct placement of the device on a brick course. Two downwardly dependent locating lugs 24, 25 also assist in locating the device upon a brick course.

Referring to Figure 2 of the drawings, there is shown a mortar perpend tool 26, constructed in accordance with the invention and which is designed to be used in conjunction with the mortar course laying tool of Figure 1, the perpend tool functioning as a hopper for mortar and -4being constructed in the form of an open top box adapted to straddle a brick course line and a front wall 27, rear wall 28, one full height side wall 29 and a sloping bottom the upper edge of which is joined to a side wall 31 of reduced height. The bottom 30 slopes downwardly towards a perpend mortar feeding slot 32, shown in broken outline.

A pair of vertical mortar perpend retaining legs 33, 34 are fixed to, or integrally moulded with the hopper portion and as shown in the encircled inset, the inner face of the 10 legs may be convexly curved to mould the mortar perpend.

0O 0 A pair of laid-brick engaging lugs 35, 36 is provided for 040. correctly aligning the hopper on a wall.

0o Referring to Figure 3, there is provided a spatula ~as a mortar ramming tool 37 for manipulating the mortar within the hopper and ramming the mortar through the slot S° into a perpend between laid bricks.

The vertical section of Figure 4 shows the sliding o00,o tray bottom 15 of the mortar course laying tool of Figure 1 S in half-open position and in use. The tool sliding tray bottom is moved to fully closed position with a handle 19, :o.0:9 fully extended in the direction of arrow C, the tool is then filled with mortar 38 (Fig. 4) preferably using a rectangularshaped trowel (not shown), the mortar is levelled off and o0'64 the tool is placed over laid bricks 39 (Fig. 4) of the top 0000 o, course of the brick wall with the two locating lugs 24, Sengaging one edge of the bricks, and the tool held in place by the handle 19 is then pulled in the direction of the arrow B to the end of the stroke and now with tray bottom in fully open position, the mortar wafer drops intact onto the brick course after which the tool can be withdrawn and repeated for as long as desired.

Referring to the mortar perpend-laying tool 26 of Figure 5, the tool hopper formed by walls 27, 28, 29, 31 and bottom 30 is filled with mortar mix and then placed over bricks 39, 40 with two locating legs 33, 34 in alignment with mortar, the space 41 between the bricks 39, 40 with the brick-engaging lugs 35, 36, engaging the edges of the brick. The mortar 42 is then manually dispensed into the mortar space 41 by the spatula 37, via the slot 32 at the bottom of the hopper. When the slot is full and compacted, the tool is lifted off vertically, leaving the mortar between the bricks. The perpend tool filling of the vertical spaces (perpends) between bricks is carried out after the bricks are laid and aligned.

oo 0 000040 0 000 o 0 0 0 00 0 0 06 o 90 0O 0 0 0 -6i -L W r

Claims (7)

1. 2. The tool kit according to claim 1 wherein the slidable bottom plate of the tray of the mortar course tool has a pair of integrally moulded sleeves thereon and the tray frame in integrally mounted with a pair of runners upon which the sleeves are adapted to be slidably reciprocated.
2. 3. The tool kit according to claim 1 or 2, wherein a brick edge locating lug of the mortar course tool projects downwardly from eau'- "iter corner of the tray portion.
3. 4. The tool kit according to claim 1, wherein the mortar course tool has a positioning handle projecting outwardly from an outermost side wall of the tray portion.
4. 5. The tool kit according to claim 1 wherein the outer cross bar pull handle of the mortar course tool is removable to enable the sleeves to be removed from the from the runners and vice-versa for removal and cleaning of the flat bottom plate with sleeves and integral movement stop plate from the runners for cleaning.
5. 6. The tool kit according to claim 1 wherein the mortar-retaining legs of the mortar perpend tool each have inwardly perpend-facing surfaces thereof convexly curved, so as to form a raked finish of external mortar face rammed into the perpend gap between bricks.
6. 7. The tool kit according to claim 1 or claim 6 wherein a brick edge locating lug depend from each bottom corner of the hopper of the perpend tool opposite to the mortar perpend legs.
7. 8. A brick wall mortar tool kit substantially as herein- before described with reference to the accompanying drawings. DATED this 5th day of December, 1990 BORISLAV LESTER By My Patent Attorney JOHN L.DAVIES CO.