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
1990-06-12
1991-03-26
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.
411396, 411409, 411908, 52DIG1, F16B 2300, F16B 4500
Patent
active
050024469
ABSTRACT:
The present invention involves a construction sheet material installation tool used to assist a worker to install sheets of material that would ordinarily require more than one worker. The tool includes a screw that has its non-threaded end embedded into a base, and the threaded portion of the screw extends outwardly perpendicular from the top surface of the base. The base has at least one side ledge that extends downwardly from the top surface at an obtuse angle. The top surface and side ledge of the base are all widened as to provide support to common construction sheet material without damaging the same. It is used by partially screwing into the overhead surface on which the construction sheet material will be installed to leave a gap. One end of the construction sheet is lifted to engage the side ledge of the device. The construction sheet material is then pushed upward from its opposite end into the gap and securely held in place by the invention, until the sheet material can be permanently installed.
REFERENCES:
patent: 1188305 (1916-06-01), Noerteman
patent: 1289450 (1918-12-01), Holaday
patent: 4231247 (1989-11-01), Haydon
patent: 4867403 (1989-09-01), Anderson
patent: 4889459 (1989-12-01), Anderson
Glynn Kenneth P.
Wilson Neill R.
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