US1776194A - Valve-bushing remover - Google Patents

Description

J. B. LEFTWIC H VALVE BUSHING RBIOVER Filed March 11', 1929 Sept. 16; mo.

(k576i w INVENTOR I HIS A n-gRNEY.

Patented Sept. 16, 1930}: r i r UNITED STATES PATENT; oFFIc-E JAMES B. LEFTWICH, or i i H vALv E-BUsnIivGnEMovEn if Application filed. March 11, 15,219. Serial mane.

This invention relates to certain novel imsides. of' either arm' I provide shoulders'20 provements in valve bushing removers and and 21'. At the end of the rod 16'opposite has for its principal object the provision of 'the bifurcated end is a head or collar 22 acnd an improved construction of this character above the head or collar 22 is asuitable han- 5 which will be highly efficient in use and ecod'lefconstruction 23. Mounted"so as to be nomical in manufacture. slidable on the rod 16axially thereof is a The salient object of my invention is to sleeve 24 which includes enlarged end porprovide an arrangement which will include tions 25 and 26 and this sleeve 24 is intended ortions that may be disposed below a valve to provide a knocker or impact member-that l0 ushing in order to facilitate the removal is employed in the manner now to be set60 thereof. forth.

Another object of the invention is to pro- In use my improved tool is arranged so that vide a device of the above named character the bifurcated end portion 17 is extended which will include an arrangement such that into the passage 15, the arms 18 and 19 of 15 an impact may be provided on the member the bifurcated end portion 17 being bent in-' having portions disposed below the valve Wardly to permit passage past the valve bushing so that these impacts may facilitate bushing 14. The arms 18 and 19 are prefers the removal of the valve bushing. ably innately resilient and will therefore tend Other objects will appear hereinafter. to, reassume a position similar to that de- 7 The invention consists in the novel combipicted in Fig. 2 and, therefore, by moving 7 nation and arrangement of parts to be herethe tool upwardly the shoulders 20 and 21 inafter described and claimed. may be brought into engagement with the The invention will be best understood by portions of the valve bushing extendingover reference to the accompanying drawing, the passage 15. The handle- 23 is then showing the preferred form of construction gripped and by moving the sleeve or knocker and in which: 24 upwardly so as to cause an impact on the Fig. 1 is a view depictingv a preferred form shoulder 22 the valve bushing 14 may be of construction for my invention in operative moved from its seat, it being understood that 0 position; the sleeve 24 will be reciprocated so suffi- Fig. 2 is a view drawn to an enlarged cient impacts have been impressed on the scale of the embodyment of my invention ilhead 22 to loosen the valve seat 14. It is aplustrated in Fig. 1; and parent from the foregoing description that Fig. 3 is a transverse sectional view taken I have provided a device which is of a relasubstantially on the line 33 on Fig. 2. tlvely simple and inexpensive construction In the accompanying drawing wherein I. and yet it may eflectively be employed for the 5 have illustrated a preferred form of conremoval of valve bushings and the like. struction of my invention 10 indicates a While'I have illustrated and described the body in which a passage 11 is formed that preferred form of construction for carrying has a sleeve 12 retained therein. The end my invention into effect, this is capable of 0 13 of the sleeve 12 is spaced on the edge of variation and modification, without departthe body 10 and a valve bushing or seat 14 ing-from the spirit of the invention. I,thereis disposed in this space and includes porfore, do not wish to be limited to the pre tions which extend over the passage 15 cise details of construction set forth, but de-. through the sleeve 12. sire to avail myself of such variations and 45 My improved tool comprises a main pormodifications as come within the scope of the tion 16 which in the present instance is in appended claim. the form of a cylindrical rod and which in Having thus described my invention, what cludes a bifurcated end portion 17 On the I claim as new and desire to protect by Letters ends of the arms 18 and 19 of the bifurcated Patent is: end portion and on the outwardly disposed In a device of the class described, an elon- 10$ gated body member, said body member having a bifurcated end portion providing arms, shoulders on said arms, said body member having an enlarged head portion formed thereon at the end opposite said bifurcated 7 portion providing an annular shoulder, a handleon said body member outwardly of said head portion, a sleeve on said body member adapted for reciprocal movement over said member, said sleeve having enlarged end portions providing shoulders whereby when said sleeve member is moved in one direction over said body member one ofsaid last-mentioned shoulders will haveabuttingv engagement with the shoulder on said body member and when said sleeve member :is 7

moved in an opposite direction over said body memberthe other of said last-mentioned shoulders will compress said arms inwardly. I In testimony whereof I aflix my signature. JAMES B. LEFTWICH. 7

Images