Implements or apparatus for applying pushing or pulling force – Single throw lever – Lazy tongs
Patent
1999-02-08
1999-10-19
Scherbel, David A.
Implements or apparatus for applying pushing or pulling force
Single throw lever
Lazy tongs
B66F 322
Patent
active
059674946
ABSTRACT:
A power lift for use in body shops for vehicles is described of the type which comprises a bearing plane provided in the lower part with a lifting and lowering group. The lifting group comprises corresponding to each of the lateral sides of the bearing plane a related lifting/lowering mechanism of a scissors arrangement constituted by 2 pairs of parallel levers, articulated between themselves in a middle section, one pair of parallel levers of the lifting group being provided with rollers which slide on the ground along a trajectory parallel to the longitudinal axis of the plane, and another pair of levers being hinged to the ground corresponding to the movable lower ends. The mechanism is operated by at least one fluiddynamic actuator and has one end articulated to the lower arm of one of the two pairs of parallel levers and the other end is articulated by means of a corresponding stirrup to the upper arm of one of two levers. The power lift is characterized by the fact that the stirrup is hinged to the related lever being provided with a free external end provided with a roller in related motion and kinematic coupling in the first part of the lifting phase, with a surface suitably inclined with respect to the ground defined by a related shaped block.
REFERENCES:
patent: 1345564 (1920-11-01), Thomas
patent: 2931519 (1960-04-01), Beach
patent: 3180451 (1965-04-01), Patterson
patent: 4076102 (1978-02-01), Desarzens et al.
patent: 5695173 (1997-12-01), Ochoa et al.
Scherbel David A.
Shanley Daniel G.
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