Power spring compressor accessory

Details Power spring compressor accessory Power spring compressor accessory

1977-12-05

1978-08-08

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Metallic spring stretcher and/or compressor

29227, B23P 1904

Patent

active

041051882

ABSTRACT:
The accessory device is for use with an hydraulic unit for compressing heavy duty springs. The accessory includes a base plate having feet for engaging lower coils of a spring and a fixed vertical cylinder with its lower end secured to the base plate. A movable cylinder is arranged to telescope over the fixed cylinder and includes laterally extending arms terminating in hooks for engaging over upper coils of the spring. Hydraulic power can be applied to telescope the movable cylinder over the fixed cylinder thereby moving the arms towards the feet and thus compressing a spring positioned therebetween. The relatively large diameters of the cylinders relative to their lengths provides for a very accurate guiding of the downward compressing movement in a rectilinear vertical direction.

REFERENCES:
patent: 3814382 (1974-06-01), Castol
patent: 3902698 (1955-09-01), Furrer et al.
patent: 4009867 (1977-03-01), Diffenderfer
patent: 4034960 (1977-07-01), Kloster

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