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Title: Rigid clamp

The invention relates to a clamp mechanism that can be used to attach or temporarily support objects inside of tubular goods. The clamp mechanism can also be modified so that it grips objects. The clamp has a self-centering feature to accommodate out-of-roundness or other internal defections in tubular objects such as pipe. A plurality of clamping shoes are expanded by a linkage which is preferably powered by a motor to contact the inside of a pipe. The motion can be reversed and jaw elements can be connected to the linkage so as to bring the jaws together to grab an object.
Inventors:
 [1];  [1]
  1. (Albuquerque, NM)
Issue Date:
OSTI Identifier:
869385
Assignee:
Sandia Corporation (Albuquerque, NM) SNL
Patent Number(s):
US 5328180
Contract Number:
AC04-76DP00789
Research Org:
AT & T CORP
Country of Publication:
United States
Language:
English
Subject:
rigid; clamp; relates; mechanism; attach; temporarily; support; inside; tubular; modified; grips; self-centering; feature; accommodate; out-of-roundness; internal; defections; pipe; plurality; clamping; shoes; expanded; linkage; preferably; powered; motor; contact; motion; reversed; jaw; elements; connected; bring; jaws; grab; clamp mechanism; jaw elements; temporarily support; /279/166/175/269/