Car lifting platform

Material or article handling – Load engaging structure of elevator or hoist device with...

Reexamination Certificate

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Details

C414S607000

Reexamination Certificate

active

11123308

ABSTRACT:
A car lifting platform including a plurality of “L” shaped forks in a parallel mounting arrangement with plates interconnecting the forks. The plates are secured (typically by welding) to the forks and extend substantially along the horizontal leg of the “L”, around the ell portion of the “L and at least part way up the vertical leg of the “L”. The ell portion of the plate may include oval-shaped through openings to allow foreign objects to fall off of the platform and to receive a projection from the object to be carried on the platform in order to limit sliding motion of the object carried on the platform.

REFERENCES:
patent: 2675139 (1954-04-01), Mercier et al.
patent: 3312361 (1967-04-01), Foster
patent: 3387731 (1968-06-01), Gibson et al.
patent: 4239446 (1980-12-01), Vucinic
patent: 4355947 (1982-10-01), Wiblin
patent: 4619579 (1986-10-01), Frison
patent: 4790717 (1988-12-01), Anderson
patent: 5064338 (1991-11-01), Lawrence
patent: 5564885 (1996-10-01), Staben, Jr.
patent: 6425212 (2002-07-01), Lovazzano

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