Method and device for placing or removing valve-spring retainer

Details Method and device for placing or removing valve-spring retainer Method and device for placing or removing valve-spring retainer

1996-08-28

1999-06-29

Watson, Robert C.

Metal working

Means to assemble or disassemble

Valve applying or removing

29249, B23P 1904

Patent

active

059157402

ABSTRACT:
A device for replacing or removing valve-spring retainer locks includes a shaft, in which a sleeve is elastically supported. At its free end, the sleeve has wedge-like gap tools for detaching the valve-spring retainer locks and for holding the locks within a space of the shaft. A pin is elastically supported within the sleeve and provides for centering of the valve-spring retainer locks during replacement or removal.

REFERENCES:
patent: 2517583 (1950-07-01), Lunda
patent: 3295193 (1967-01-01), Maness
patent: 3314136 (1967-04-01), Giles
patent: 3315339 (1967-04-01), Young
patent: 3316623 (1967-05-01), Clark
patent: 3564697 (1971-02-01), Shalaty
patent: 3793999 (1974-02-01), Seiler et al.
patent: 4095324 (1978-06-01), Lawson
patent: 5207196 (1993-05-01), Kuonen et al.
patent: 5226229 (1993-07-01), Pierce
patent: 5241734 (1993-09-01), Brackett
Publication No. 61014825 dated Jan. 23, 1986--Patent Abstracts of Japan.
Publication No. 63022231 dated Jan. 29, 1988--Patent Abstracts of Japan.
Publication No. 01257535 dated Apr. 30, 1988--Patent Abstracts of Japan.

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