Metal working – Means to assemble or disassemble – Spring applier or remover
Reexamination Certificate
2005-03-08
2005-03-08
Watson, Robert C. (Department: 3723)
Metal working
Means to assemble or disassemble
Spring applier or remover
C254S010500
Reexamination Certificate
active
06862788
ABSTRACT:
A spring vice is provided with a tensioning device that can be axially introduced into a coil spring to be tensioned. A first disk-shaped pressure plate is provided with an opening and can be detachably connected to a first end of the tensioning device via its said opening. A second pressure plate is provided with an opening and can be detachably connected via its opening to an adjusting member of the tensioning device. The adjusting member is adjustable relative to the first end of the tensioning device. The tensioning device has a drive, especially in the form of a spindle drive, provided with a wrench profile accessible from the outside, at its second end, for adjusting the adjusting member. Each of the pressure plates has a circular tensioning surface which is limited toward the inside and the outside and is interrupted by a recess, for receiving a spring turn each of the coil spring to be tensioned. The opening of at least one of the pressure plates is arranged eccentrically offset in the pressure plate relative to the coil spring for setting the position of the drive of the tensioning device of the spring vice attached to the coil spring.
REFERENCES:
patent: 4872645 (1989-10-01), Dossier
patent: 5564172 (1996-10-01), Klann
patent: 88 15 706.7 (1989-03-01), None
patent: 692 00 401 (1995-05-01), None
patent: 0 115 774 (1984-08-01), None
patent: 0 271 782 (1988-06-01), None
Klann Tools Ltd.
McGlew and Tuttle , P.C.
Watson Robert C.
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