Reversible screw clamp for a gapped wall

Details Reversible screw clamp for a gapped wall Reversible screw clamp for a gapped wall

1987-10-07

1989-08-08

Lindsey, Rodney M.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element with nut, washer, securing means or cap

Headed bolt or screw with threads and complementary nut

411427, 248103, 2482311, F16B 3500

Patent

active

048547964

ABSTRACT:
A screw clamp for a gapped wall such as a parallel-rail side wall of a baby's crib is designed to include a block with a screw extending from one side to pass through the gap in the wall, and a knob threaded to mate with the end of the screw emerging through the gap. The knob is reversible, with a threaded recess on one side and a protruding hollow shaft with a threaded interior on the other, to accommodate a wide range of wall thicknesses or rail widths.

REFERENCES:
patent: 2183332 (1939-12-01), Haritos
patent: 2435466 (1948-02-01), Thomas
patent: 3053357 (1962-09-01), Stanger
patent: 3368443 (1968-02-01), Faul
patent: 3379090 (1968-04-01), Parkin
patent: 4216695 (1980-08-01), Hoshino
patent: 4573654 (1986-03-01), Nottingham
patent: 4636125 (1987-01-01), Burgard

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