Snap ring applicator

Details Snap ring applicator Snap ring applicator

1996-03-26

1997-04-08

Watson, Robert C.

Metal working

Means to assemble or disassemble

Spring applier or remover

29252, 29253, B23D 1904

Patent

active

056176201

ABSTRACT:
A snap ring applicator having a pair of scissor arms connected to a pivot element. The snap ring applicator includes a linear activating device connected to a driving element. The driving element contacts the angled activating surface contained on the rear end of the scissor arms. The linear movement of the driving element forces the rear end of the scissor arms together which causes the scissor arms to pivot about a pivot element and thereby separates the front ends of the scissor arms. Contained in each front end of the scissor arms is a snap ring pin, which is sized to engage a snap ring. When the snap ring applicator is activated to move the front ends of the scissor arms apart, the snap ring pins act to expand the inner diameter of the snap ring. When expanded as such, the snap ring can then be passed over the pipe or shaft to which it is to be applied. The snap ring applicator is then deactivated, which returns the snap ring to its original size, thereby securely positioning the snap ring as desired.

REFERENCES:
patent: 3819153 (1974-06-01), Hurst et al.
patent: 4351097 (1982-09-01), Hashimoto et al.
patent: 4862572 (1989-09-01), Jeromson et al.
patent: 5125296 (1992-06-01), Nelson et al.
patent: 5327802 (1994-07-01), Yu
patent: 5483732 (1996-01-01), Wang

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