US1394963A - Gear-puller attachment - Google Patents

Description

C. P. BEACH.

GEAR PULLER ATTACHMENT.

APPLICATION FILED AUG.2I. 1919.

1,394,963, rammed Oct. 25, 1921.

.V jvwewtoz Ga d P W $514M V W, M

UNITED STATES PATENT OFFICE.

CHARLES I. BEACH, 011 LITTLETGN, NEW" HAJEIPSHIRE.

GEAR-FULLER ATTACHMENT.

Application To all whom it may concern:

Be it known that I, CHARLES P. BEACH, a citizen of the United States of America, residing in the town of Littleton, in the county of Grafton and State of New Hampshire, have invented an Improvement in Gear- Puller Attachments, of which the following is a specification.

My invention relates to an attachment for those devices which are commonly known in the art as gear pullers. These gear pullers are appliances arranged to grip a gear, pulley, or other article, and force the article longitudinally along a shaft generally for the purpose of withdrawing the article from the shaft. A gear puller such as I refer to and which is adapted for use with the attachment of this invention, is shown in my prior Patent No. 1,318,511, dated August 19, 1919. In many cases the gear or other body on which the so-called gear puller is to operate is positioned in such close proximity to a wall or other obstruction as to afford insufficient space for the entrance ofthe prongs of the usual gear puller. My attachment has been designed principally to overcome this defect and to provide a device which may be used under such circumstances as an auxiliary to the gear puller. It will be understood, however, that my attachment may be used without a gear puller of any kind and that it possesses many advantages besides the one advantage specifically mentioned above.

In this specification I have disclosed, for the purpose of illustration, one form of attachment constructed in accordance with my invention. In the drawings forming a part of this specification:

Figure 1 represents a side elevation of this illustrative form of my attachment.

Fig. 2 represents a top plan view of the attachment shown in Fig. 1, while Fig. 3 represents a central vertical section taken on the line 33 of Fig. 1.

This illustrative embodiment of my gear puller attachment comprises a pair of plates 11 of such thickness as to pass readily behind the body which is to be moved. These plates 11 may be supported in any suitable manner such, for example, as that illustrated in the drawings wherein each plate fits within a recess 12 formed in the lower surface 13 of a block 14. The plates 11 may be further secured to the blocks 14 by any suitable means such as the rivets 15 disclosed in the drawings. The two blocks 14 may be con- Specification of Letters Patent.

filed August 21, 1918.

nected in any suitable manner and any suit able means may be provided for causing relative approachment of the two plates 11, but I prefer to combine these two structures and for this purpose I prefer to provide a rod 16 extending from one end of each block 14 toward the other block 14 and through the aperture 17 therein. These rods 16 are preferably threaded over an appreciable portion of their length as shown at 18 and then provided with suitable screw threaded means such as the wing nuts 19. In order to present a better bearing surface between the plates 11 and the gear or other article which is to be moved I prefer to provide plates 11 with a concave front edge 20 as clearly disclosed in the drawings. Further, in order to facilitate the entrance of the plates 11 into the space behind the article which is to be moved, I find it advantageous to provide beveled surfaces 21 upon the upper side of the plates 11 at the forward edges 20 thereof.

It will be apparent from the above that the two halves of my gear puller attachment may be positioned upon two sides of the gear or other article which is to be moved and the wing nuts 19 then placed upon the rod 18 and gradually screwed up to force the plates 11 back of the article which is to be moved until there is a firm seat between the article and the plates 11, this action being facilitated when necessary by the bevel 21 of the forward edges of the plates 11. After the attachment is in position behind the article, any desired pulling device such as the usual gear puller may be secured to the attachment in any suitable manner such as by hooking the prongs of the gear puller over the rods 16. After that, the article is removed in the customary manner. 1

It will be understood that the embodiment of my gear puller attachment which I have herein disclosed is illustrative only and that my invention is not in any way limited to the exact construction herein shown but is to be considered as including the full range of equivalents especially as included in the appended claims.

I claim:

1. A gear puller attachment comprising a pair of opposed plates each having a concave front edge and each provided at said front edge with a bevel on the upper side thereof, a pair of blocks each provided with a recess on the lower face thereof to receive one of said plates, means holding each plate to the corresponding block, a screw threaded rod projecting from one end of each block through the other block, and nuts carried by said rods and cooperating therewith to cause relative approachment of said blocks.

2. A gear puller attachment comprising a pair of opposed members each having a concave front edge and each provided at said front edge with a bevel on the upper side thereof, a screw threaded rod projecting from one end-of each member through the other member, and nuts carried by said rods and cooperating therewith to cause relative approachment of said members.

In testimony whereof, I have signed my name to this specification this nineteenth day of August, nineteen hundred and nineteen.

. CHARLES P. BEACH.

Images