Implements or apparatus for applying pushing or pulling force – Single throw lever – Lazy tongs
Reexamination Certificate
2005-12-13
2005-12-13
Watson, Robert C. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Single throw lever
Lazy tongs
C254S124000
Reexamination Certificate
active
06974123
ABSTRACT:
A centering device for a platform lift which includes a lifting mechanism for moving objects from a first to a second height. The lift mechanism has a base, at least a first and a second set of legs, and a platform. The first and second sets of legs each have first opposite ends pivotally secured to the base and the platform, respectively, and second opposite ends provide with traveling members to cooperate with the platform and base, respectively. The platform has a lower portion including a rail upon which the traveling members of the first set of legs traverse. Between the ends of each of the first set of legs, having the traveling members, and the rail, a centering device is disposed to provide alignment of the traveling members and the rails.
REFERENCES:
patent: 3843115 (1974-10-01), Di Fulvio et al.
patent: 3865347 (1975-02-01), Pase
patent: 3902616 (1975-09-01), Santic et al.
patent: 4175644 (1979-11-01), Sikli
patent: 4684314 (1987-08-01), Luth
patent: 4756503 (1988-07-01), Fujita
patent: 4858482 (1989-08-01), Knudsen
patent: 5052881 (1991-10-01), Keffeler et al.
patent: 5192053 (1993-03-01), Sehlstedt
patent: 5394959 (1995-03-01), Cullity et al.
patent: 5855359 (1999-01-01), Chipperfield
patent: 6012621 (2000-01-01), Hoium et al.
patent: 6257372 (2001-07-01), Schirmer
Advance Lifts, Inc.
Marshall & Gerstein & Borun LLP
Watson Robert C.
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