Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specimen clamp – holder – or support
Reexamination Certificate
2006-12-26
2006-12-26
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specimen clamp, holder, or support
C073S830000, C073S831000, C073S856000, C073S862010
Reexamination Certificate
active
07152489
ABSTRACT:
A constraining device comprises a plurality of jaws34adapted to constrain the sides of an object of constraint, support shafts35rotatably supporting the respective jaws so as to allow the jaws to spread and become closed, first biasing means36adapted to bias the respective jaws to become closed, a jaw opening/closing drive member62arranged at the center of the jaws so as to move close to and away from the object of constraint and press the base end portions of the jaws to drive the jaws when moved in a first direction, a second biasing means63adapted to bias the jaw opening/closing drive member in the first direction in order to close the jaws and a temporary holding section66arranged at the jaw opening/closing drive member and adapted to be engaged with the base end portions of the jaws to block the jaw opening/closing drive member against moving in the first direction but allow the jaw opening/closing drive member to move in the first direction when force exceeding a predetermined level is applied to the jaw opening/closing drive member in the first direction.
REFERENCES:
patent: 4697601 (1987-10-01), Durkee et al.
patent: 4773276 (1988-09-01), Baruffalo
patent: 5798467 (1998-08-01), Hasegawa
patent: 6240788 (2001-06-01), Balestracci
patent: 6662666 (2003-12-01), Hasegawa
patent: 05-177476 (1993-07-01), None
patent: 06-126569 (1994-05-01), None
patent: 9-37811 (1997-02-01), None
Kirkland, III Freddie
Lefkowitz Edward
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