Snap ring removal tool

Metal working – Means to assemble or disassemble – Spring applier or remover

Patent

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Details

29268, B23P 1904

Patent

active

044160453

ABSTRACT:
A snap ring removal tool is adapted for removing a split snap ring from a cylindrical shaft. The tool has a receptacle at the end of a handle for holding the shaft lengthwise and ring-engaging means connected to the handle for engaging the snap ring at points on opposite sides of the split in the ring. Urging the ring-engaging means transversely toward the shaft pushes the ring off of the shaft. In one embodiment, the tool comprises a unitary pry bar-like member having a head portion which is laterally offset from a handle portion. The head portion has a longitudinal slot extending toward the handle a short distance to define a shaft receptacle between two parallel legs. A U-shaped shaft guide depends from the ends of the legs. The ring-engaging means is defined by the ends of the legs. A second embodiment is a pliers-like tool which includes two intersecting elongated members pivotally connected together at their intersection. A shaft receptacle is connected to an end of one member, and a ring-engaging means is connected to an end of the other member and positioned for cooperation with the receptacle. The latter embodiment can be used as a snap ring installation tool as well as a removal tool.

REFERENCES:
patent: 2480037 (1949-08-01), Luckins
patent: 2527157 (1950-10-01), Snyder et al.
patent: 2737837 (1956-03-01), Stillwell
patent: 2835028 (1958-05-01), Wurzel
patent: 3173197 (1965-03-01), Tuller
patent: 3314320 (1967-04-01), Early
patent: 3340592 (1967-09-01), Carpenter
patent: 3470600 (1969-10-01), Hosbach
patent: 3747195 (1973-07-01), Rigsby et al.
patent: 3762019 (1973-10-01), Epstein
patent: 3785037 (1974-01-01), Erdmann
patent: 3990137 (1976-11-01), Kulba
patent: 4135284 (1979-01-01), Nakamoto

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