B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/44
B23P 19/04 (2006.01) B25B 27/30 (2006.01)
Patent
CA 1050248
ABSTRACT An improved spring compressor tool for use on, for example, a MacPherson-type independent suspension assembly of a vehicle, without the necessity of removing the suspension from the vehicle. The tool includes upper and lower U-shaped pressure shoes having helical-shaped outer peripheries which define slots for receiving spaced coils of the spring intermediate the opposed connected ends of the spring. At least one of the shoes is linearly adjust- able and both shoes are rotatably adjustable for initial alignment with the spaced spring coils. A pair of pneumatic cylinders are positioned side-by-side between the upper and lower shoes. Air pressure is provided through novel valves mounted on a handle for the tool to the cylinders for moving the shoes toward one another to compress the spring and to vent the cylinders for releasing the spring. Return springs are provided in the cylinders to urge the shoes to a non-compressed position during venting. In a modified embodiment of the tool, the lower shoe is replaced with a bench-mounted clamp which engages the suspension assembly below the spring.
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