Spring devices – Coil – Including end thrust member
Patent
1989-07-14
1992-10-13
Halvosa, George E. A.
Spring devices
Coil
Including end thrust member
246008, 29227, 403328, 403DIG6, F16F 110
Patent
active
RE0340979
ABSTRACT:
The present invention relates to a tool for compressing a helical spring of the type typically used in a MacPherson strut suspension system. The tool comprises a pair of spaced apart shoes each having a helical groove formed therein for engaging a portion of the coil of the spring. Each shoe also includes a latchable locking device extendible over the respective helical groove for maintaining the coil of the spring within the groove during the compression operation. The two shoes are maintained in a spaced apart relationship with the associated grooves in facing relationship to one another by a threaded shank member. The threaded shank member includes a separate tool engaging configuration on each end thereof and is employed to effect movement of the spaced apart shoes toward and away from one another during the operation of the tool.
REFERENCES:
patent: 1198139 (1916-09-01), Lyon
patent: 2385709 (1945-09-01), Johnston
patent: 3602538 (1975-08-01), Canter
patent: 4034960 (1977-07-01), Kloster
patent: 4061308 (1977-12-01), Ghent
patent: 4219918 (1980-09-01), Klann
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