Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1993-08-18
1994-10-18
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29263, B23P 1904
Patent
active
053555740
ABSTRACT:
Tool for installing and removing anti-friction skate wheel bearings press fit in plastic skate wheels. A tubular shouldered split end passing through the inner race provides bearing engagement when spread by retraction of a conically headed rod projecting beyond the split end. A threaded end of the rod projecting beyond tube is retracted by a threaded knob reacting against the end of the tube, and the tube with bearing is retracted by rotating knob fixed on the tube to feed a threaded portion of the tube through a threaded collar reacting against a side of the wheel. For installing a bearing, it is retracted into a press fit cavity in the skate wheel; and for removing the bearing it is oppositely retracted by the same split end tube extension when spread by the conically headed rod and rotated in the collar.
REFERENCES:
patent: 1177843 (1916-04-01), Ackerman et al.
patent: 3611540 (1971-10-01), Gibu
patent: 4507837 (1985-04-01), Hinkle
patent: 4724608 (1988-02-01), Parrott
patent: 4852235 (1989-08-01), Trease et al.
patent: 4916792 (1990-04-01), Haubus
Zweekly Jeffrey A.
Zweekly Raymond T.
Inventive Fabrications, Inc.
Watson Robert C.
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