Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Patent
1991-04-03
1993-03-30
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Multipart
411437, 411508, F16B 3708
Patent
active
051978407
ABSTRACT:
An insulation retainer is provided for mounting upon the threads of a threaded stud so as to retain insulation of various thicknesses upon a substrate to which the stud is attached. The insulation retainer includes an outer body member and an inner body member. Adjustment means are formed upon the interior surface of the outer body member and upon the exterior surface of the inner body member so as to permit ratcheting of the outer body member over the inner body member in small increments so as to accommodate various thicknesses of insulation to be retained upon the substrate.
REFERENCES:
patent: 2111267 (1938-03-01), Hoppenstand
patent: 4571136 (1986-02-01), Peek
patent: 4770582 (1988-09-01), Junemann et al.
patent: 4826379 (1989-05-01), Norden
patent: 4830560 (1989-05-01), Hirohata
patent: 4850778 (1989-07-01), Clough et al.
Illinois Tool Works Inc.
Lindsey Rodney M.
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