Compactly storable, mobile engine hoist

Details Compactly storable, mobile engine hoist Compactly storable, mobile engine hoist

1999-04-20

2000-12-26

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Single throw lever

B60P 148

Patent

active

061646253

ABSTRACT:
A portable engine hoist which folds into a compact storage position. The base of the hoist is equipped with two support wheels. Two elongated legs extend from the base and are adapted to receive leg extensions. The leg extensions are provided with wheels at one end and the other end can be inserted into a leg. An upright post extends from a base support and carries a pivotally mounted lifting beam at its top end. A mechanical or hydraulic jack operates to raise and lower the lifting beam to raise and lower an engine. Position adjustment and maintenance means for easy assembly of the leg extensions are provided. A cam slot locking means associated with the lifting beam provides stability under the load.

REFERENCES:
patent: 2669424 (1954-02-01), Branick
patent: 2909358 (1959-10-01), Southerwick
patent: 3931956 (1976-01-01), Hawkins
patent: 4334668 (1982-06-01), Caris
patent: 5076448 (1991-12-01), Ballard
patent: 5188247 (1993-02-01), Jastrow
patent: 5261640 (1993-11-01), Yuan
patent: 5261641 (1993-11-01), Ployer
patent: 5375963 (1994-12-01), Wohlwend
patent: 5897101 (1999-04-01), Snyder
patent: 5992824 (1999-11-01), Voss

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