Metal working – Means to assemble or disassemble – Valve applying or removing
Patent
1989-02-23
1990-08-28
Watson, Robert C.
Metal working
Means to assemble or disassemble
Valve applying or removing
B23P 1904
Patent
active
049513737
ABSTRACT:
A valve spring compressing tool including a pair of gripping leg members operatively connected to straddle a valve spring, on opposed sides. The leg members each include a gripping means disposed on a lower portion thereof for gripping an undersurface of a coil spring, and a compression member for compressing the coil spring on opposite sides thereof at points above the grippping means. The compression member is operatively interconnected to an elongated post extending to an upper portion of the tool such that rotation of the post in opposite directions will cause the compression member to move toward and away from the gripping means to compress the coil spring or allow the coil spring to expand. The elongated post includes a plurality of flattened surfaces on an upper portion thereof adapted to receive a removable handle having an internal bore adapted to be securely and removably connected through a radially extending upper portion of the elongated post.
REFERENCES:
patent: 1000559 (1911-08-01), Sjoholm
patent: 1854116 (1932-04-01), Schebeko
patent: 2604170 (1952-07-01), Leffler
patent: 3487528 (1970-01-01), Shultz
patent: 4663998 (1987-05-01), Parsons et al.
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