Holding clamp for connecting sheets having different expansion characteristics
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United States of America Patent
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Aug 23, 1994
Grant Date -
N/A
app pub date -
Aug 26, 1993
filing date -
Aug 27, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A holding clamp for connecting together two sheets of material, at least one of which is susceptible to expansion. The clamp has a thread leg having a thread portion for receipt of a threaded member and a pair of clamping legs integrally joined at one end to form a C-shaped structure adapted to receive therebetween a sheet of expandable material, the thread leg being connected to an opposite end of one of the legs of the clamp. Each clamping leg has a through hole in line with the thread portion of the thread leg through which can pass the threaded member and an annular flange around each through hole that extends inwardly from the inner surface of each clamping leg that faces the other clamping leg and toward said other leg, the flanges abutting each other when the two clamping legs are brought together by the threaded member to keep the two legs apart a distance greater than the thickness of the expandable sheet. At least one spring lobe projects inwardly from each clamping leg that engages with opposite side surfaces of the sheet when the flanges abut to hold the clamp against the sheet while permitting it to slide relative to the lobes due to expansion.
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