Work holders – With fluid means – Cylinder-piston means in series with additional positioning...
Reexamination Certificate
2005-04-19
2005-04-19
Wilson, Lee D. (Department: 3723)
Work holders
With fluid means
Cylinder-piston means in series with additional positioning...
Reexamination Certificate
active
06880816
ABSTRACT:
An apparatus for absorbing the mounting and clamping forces of a linkage assembly of a power clamp. An enclosed bilateral housing of a power clamp is provided, wherein a linear actuator is connected to the housing and provides a piston rod extending into the housing. A linkage assembly is connected to the piston rod and disposed within the housing for converting the linear motion of the piston rod into rotary motion of a clamp arm. A high strength plate and beam structure is disposed within the housing and connected to the linkage assembly for absorbing the mounting and clamping forces generated by the linkage assembly. By absorbing the mounting and clamping forces of the linkage assembly, the high strength plate and beam structure allows the housing to be fabricated from a lightweight, inexpensive material.
REFERENCES:
patent: 3381954 (1968-05-01), Blatt
patent: 4494739 (1985-01-01), Valentine
patent: 5351584 (1994-10-01), Warheit
patent: 5575462 (1996-11-01), Blatt
patent: 5829112 (1998-11-01), Blatt
patent: 5996984 (1999-12-01), Takahashi
patent: 20020195761 (2002-12-01), Dellach et al.
Dellach Jeffrey
Morroney Wayne
Wheeler Timothy
Norgren Automotive, Inc.
Wilson Lee D.
Young & Basile P.C.
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