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US Patent: 4,502,664
MacPherson Spring Compressor
Roy B. Bendickson - Racine, WI
Raymond R. Zuzinec, Sr. - Kenosha, WI

USPTO Classifications:
254/10.5, 29/227

Tool Categories:

Snap-On Tools Corp. - Kenosha, WI

Not known to have been produced

none listed

Patent Dates:
Applied: Mar. 03, 1983
Granted: Mar. 05, 1985

Patent Pictures:
USPTO pdf tiff
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Snap-On Tools Company History
Emrich & Dithmar - patent attorneys


A MacPherson strut spring compressor has a drive mechanism to move a strut clamp assembly toward and away from the front of the frame. Upper and lower positioning assemblies are vertically movable with respect to the frame to accommodate MacPherson struts of different sizes and spring offsets, with the upper positioning assembly being vertically adjustable independently of the lower positioning assembly and the lower positioning assembly being vertically adjustable with respect to frame. There is also disclosed locking mechanism for each of the positioning assemblies to retain the MacPherson strut in place during operation of the compressor.

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