Packing removal

申请号 US3650164D 申请日 1967-10-30 公开(公告)号 US3650164A 公开(公告)日 1972-03-21
申请人 GEORGE M MCINVALE; 发明人 MCINVALE GEORGE M;
摘要 Prying packing rings out of a cavity by sequential use of an array of claw tools having a carrot shape and differently-curved tips.
权利要求
1. A tool for removing packing rings from stuffing boxes and the like comprising a rigid elongated handle having an outer end provided with a palm engaging knob and having an inner end provided with a coupling means, finger engaging arms laterally projecting from the handle in diametrically opposite directions intermediate the ends of the handle and adapted to cooperate with the knob end in enabling the handle to be griped by the hand of a user, a tool bar having opposing ends and a central portion, a coupling means provided on the central portion for detachable locking engagement with the coupling means on the inner end of the handle so that the tool bar is fixedly disposed on the inner end of the handle transversely of the longitudinal axis of the handle, a pair of packing ring penetrating and griping tools, each of said tools having a rigid tapered frustoconical body provided with a major end and a reduced minor end, each minor end terminating in a slightly outwardly and downwardly curved tip and each major end having an axially disposed coupling means and coupling means on the tool bar on opposite sides of the handle to which the coupling means on each tool body is removably secured.
2. The invention of claim 1 wherein the coupling means on the tool bar are mounted thereon for adjustment along the longitudinal axis of the tool bar and locking means is structurally associated with each said coupling means on the tool bar for locking it in adjusted position relative to the tool bar.
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