Appeal No. 1999-1758
Application No. 08/787,971
a connector on the adaptor for translationally fixing and
releasably attaching a workpiece clamping fixture to the
adaptor.
CLAIM 24
24. An adaptor for interchangeably connecting any of a
plurality of clamping fixtures to a beam clamp assembly,
comprising:
an adaptor block;
a fastener attached to the adaptor block for releasably
securing the adaptor block to a jaw of a beam clamp assembly;
a connector on the adaptor block for releasably attaching
a workpiece clamping fixture to the adaptor block;
the adaptor block including a workpiece-engaging surface
which faces toward an opposing second jaw of a beam clamp
assembly when the adaptor is secured to a first jaw of the
beam clamp assembly; and
a protective ledge which extends integrally from the
workpiece-engaging surface so that it is disposed adjacent to
a beam of a beam clamp assembly when the adaptor is mounted on
the beam clamp assembly, whereby the ledge is interposed
between a workpiece and the beam when a workpiece is engaged
by the workpiece-engaging surface of the adaptor mounted a jaw
of the beam clamp assembly, and whereby contact between the
workpiece and the beam is avoided.
A-2
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