GB2365410A

GB2365410A - Heavy duty puller

Info

Publication number: GB2365410A
Application number: GB0018977A
Authority: GB
Inventors: Graham Bell
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-02
Filing date: 2000-08-02
Publication date: 2002-02-20
Also published as: GB0018977D0

Abstract

Heavy duty puller has a main pulling bar 12 moved manually by a slide hammer 10 hitting against a stop 18 on the bar 12. The slide hammer 10, pulling bar 12 and axillary support bars 16, 17 are removably attached to a wheeled frame 21-27. The frame has small steering wheels 27 and larger stabilising wheels 25. The slope of the pull bar can be varied by placing rest rods 23 in one of a series of holes 29 on frame uprights 22. The pulling rod 12 has a screwed end 20 for receiving e.g. dent pulling tools (28, Figs 3 and 4).

Description

<Desc/Clms Page number 1> HEAVY DUTY PULLER This invention relates to a slide hammer.

A side hammer is a hand held tool which comprises of a length of bar, a manually sliding weight a handle at one end which also acts as a fixed stop for the weight to hit against and at the other end of the bar is the means for attaching various pulling devices.

The slide hammer Is used in operations that require pulling of damaged sectors, Slide hammers are generally of a lightweight nature and are only capable of light work operations. An object of this Invention is to provide a more stronger and heavier pulling operation whilst being mobile and versatile.

Accordingly, this invention consists of a heavy weight which slides back and forth along a rail system. The main pulling bar runs central through the weight. The main pulling bar and sliding rail system is supported by means of a mobile frame consisting of a base which has two fixed upright posts to the front and two fixed upright posts to the rear. Two large wheels are fixed at the rear of the frame by nr#eeans of two splayed legs, and to the front of the base are two smaller wheels that swivel to allow for manoeuvrabliffy of the whole Invention, The main pulling bar has a fixed weight stop at the rear end of it and to the extreme front is the means for connecting various pulling devices. The angle of the sliding rail system can be aftered by means of lowering or raising supports either end on the fixed upright posts.

The sliding rail system can be separated from the mobile frame for ease of transportation. The sliding of the weight Is operated manually by means of a gripping handle.

A specific embodiment of the Invention will now be described by way of example with reference to the accompanying drawing in which: - FIGURE I shows in perspective, the sliding rail system with weight adjoined with the mobile frame, FIGURE 2 Illustrates a side view showing the sliding rail system set at one of the many angles on the mobile frame.

FIGURE 3 Illustrates the two attachments supplied and required for aiding pulling operations.

Referring to the drawing, the slide hammer comprises a sliding weight 10 which slides along the main pulling bar 12 and is operated via the fixed handle 14,For supportive means the weight 10 has attached two metal tubes 15 to which a further two lengths of bar 16 run through. The two lengths of bar 16 are both symmetrically attached either end writh the aid of securing blocks 17 to which, by example, threaded nuts, securing pins, or similar means (not shown) can be used to hold the slide bars 16 to the securing blocks 17.

The main pulling bar 12 has a fixed weight stop 18 at the rear end allowing the sliding weight 10 to be hit against ft. This causes the main pulling bar 12 to be driven backwards, shown by the direction of the arrow 19. At the front end of the main pulling bar 12 is a threaded collar 20 to which the pulling adaptors, as shown in FIG 3 & 4 2/2 of the drawings, are attached by means of threaded collars. To achieve the pulling operation, the main pulling bar 12 is adapted to run freely through the centre of the sliding weight 10 and through the front and rear securing blocks 17 as shown in FIG I of the drawings. The sliding weight 10 is operated manually via the fixed handle 14.

Referring to the drawing the sliding weight setup as described previously, comprises a framed body to which the sliding weight setup is mounted on. The framed body is described by means of a flat bed base 21 to which two fixed upright posts 22 sit either end. The fixed posts 22 contain through holes 29 which are for the purpose of inserting resting bars 23 to support the weight of the slide hammer setup. The resting bars 23 can be set at various heights and angles FIG 2 of the drawings. The body frame Is made mobile by means of two fixed splayed legs 24 attached to the rear to which two large wheels 25 are attached and to the front is attached a cross member 26 to which two swivel wheels are fixed.

Referring to the drawing, 2/2 FIG 3 & 4 show the two types of pulling adaptors which are connected to the threaded collar 20 situated at the end of the main pulling bar 12 by threaded means.

Claims

CLAIMS I A heavy duty puller comprising a wheeled body frame and a slide rail system incorporating a heavy duty weight with means for releasably securing the slide rail system on the wheeled body frame, the slide rail system being adopted to be lifted off the body frame.
2 A heavy duty puller as claimed in claim I whereas the slide rail system incorporates a heavy duty weight with guides means for sliding by means of fixed tubes.
3 A heavy duty puller as claimed in claim 1 wherein means are provided on the upright posts of the body frame where through holes are present to accept resting bars in order to support the slide rail system at various angles.
4. A heavy duty puller as claimed In claim 1 and claim 2 wherein means are provided on the main pulling bar for attaching pulling devices. 5 A heavy duty puller substantially as described herein with references to figures 1 -3 of the accompanying drawing.