Patent ID: 7175171

Claim:
Support apparatus for supporting parallels between the jaws of a vise, said support apparatus including three arms, one of the arms being a base member, each of said two of said three arms having a pin mounted on one end and extending through an aperture formed on either end of said base member for defining a pivot, complementary recesses formed in the opposing ends of said base member and each of said two arms adjacent to said pin, a torsional spring in said recess and surrounding said pin and having opposing ends, one of said opposing ends bearing against the wall surface of said recess of said base member and against the wall surface of the recess in each of said two arms for rotating said pin and said two arms for urging each of said two arms in a direction away from said base member to bear against the opposing parallel and exert a force on each of said parallels to urge each of said parallels against the wall surfaces of the jaws of the vise.