Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1981-08-06
1987-11-03
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411344, 411345, F16B 1306, F16B 2100
Patent
active
047040572
ABSTRACT:
An improved fastening element for securement within an opening and of the type comprising (a) a head portion; (b) a connecting portion comprising a longitudinally extending body portion including a pair of opposed pillar-like parts, for insertion into such opening; and (c) at the end of said connecting portion remote from the head portion, locking means movable between a collapsed position in which the fastening element is insertable into the opening and an expanded position in which the locking means is effective in cooperation with an elongated retaining element inserted into the connecting portion to preclude removal of the fastening element from the opening. The improvement of the invention resides in the locking means which comprises:
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Mechanical Plastics Corp.
Nissenbaum Israel
Smith Gary L.
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