Crankcase guard jack utilizing double parallelogram

Details Crankcase guard jack utilizing double parallelogram Crankcase guard jack utilizing double parallelogram

1975-07-11

1976-02-10

Smith, Al Lawrence

Implements or apparatus for applying pushing or pulling force

Metallic spring stretcher and/or compressor

254134, B66F 504

Patent

active

039374432

ABSTRACT:
A jack or lift with a special fixture is provided for raising or lowering heavy and unusually shaped parts, such as crankcase and transmission guards for heavy-duty vehicles, such as track-type vehicles. The fixture on the jack engages the guard with a novel gripping or coupling arrangement for positively engaging the guard at two points. The gripping or coupling arrangement is vertically and horizontally adjustable to accommodate for different sized parts. A slope adjusting member is provided on the lift remote from the fixture to provide the third point of a three point support.

REFERENCES:
patent: 2669422 (1954-02-01), Branich
patent: 2749089 (1956-06-01), Feay et al.
patent: 2994443 (1961-08-01), Gordon
patent: 3028145 (1962-04-01), Brand
patent: 3850419 (1974-11-01), Craig

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