Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar
Reexamination Certificate
2005-04-19
2005-04-19
Wilson, Lee D. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Step-by-step traveling bar
C269S905000
Reexamination Certificate
active
06880809
ABSTRACT:
A separating device that includes a wedge that extends between first and second plates, with at least one of the plates being supported by a support device such as a bar. The support device supports the or each plate while the device is in use so that the plate(s) are substantially prevented from bending or twisting due to the forces applied to the plate(s).
REFERENCES:
patent: 3819153 (1974-06-01), Hurst et al.
patent: 4299347 (1981-11-01), Rougier
patent: 4712771 (1987-12-01), Donnelly et al.
patent: 5374033 (1994-12-01), Tilman
patent: 6267354 (2001-07-01), Stephen
patent: 0 302 388 (1989-02-01), None
patent: 2 172 227 (1986-09-01), None
patent: WO 9847809 (1998-10-01), None
Stephen Robert
Wilkie David
Drinker Biddle & Reath LLP
Future Alignments Limited
Wilson Lee D.
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