Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Hook head – e.g. – j-bolt – etc.
Patent
1988-08-09
1989-12-26
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Hook head, e.g., j-bolt, etc.
411409, 2482174, 52DIG1, F16B 2300, F16B 3506
Patent
active
048894591
ABSTRACT:
There is provided an overhead sheet-installation support tool inclusive of a forwardly-directed tapered threaded screw with a tapered threaded forward distal end and having rearward-extending handle structure with opposite flattened sides spaced-apart by a minor handle-thickness, and having forward shoulders angled rearwardly at laterally outwardly distal ends thereof and with the forward shoulders' edges extending in opposite lateral directions at about 90 degrees to oppositely-extending flattened lateral flattened handle surfaces. There are flat-faced support members mounted intermittently adjustably on one of the flattened handle surfaces with support member distal ends each separately movable, each of the arcuate members when in an upwardly-extended state being in juxtaposition to one of spaced-apart rearwardly-extending edges of the handle structure and spaced-away from the threaded screw.
REFERENCES:
patent: 648531 (1900-05-01), Rossman
patent: 977835 (1910-12-01), Piscator
patent: 1103723 (1914-07-01), Witte
patent: 1188305 (1916-06-01), Noerteman
patent: 1211347 (1917-01-01), Plofchan et al.
patent: 1289450 (1918-12-01), Holaday
patent: 2830478 (1958-04-01), Prince
Hough William T.
Wilson Neill R.
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