Joist positioning tool

Details Joist positioning tool Joist positioning tool

1990-04-04

1991-03-05

Hartman, J. J.

Work holders

Operator supported

7164, 269904, 254 21, 254 25, B25B 100

Patent

active

049971727

ABSTRACT:
A tool organization is set forth for positioning and engaging a joist in relationship to a predetermined orientation relative to a cross joint utilized in construction to arrange and orient the first joist in a vertical orientation. The tool comprises a bifurcated head including an internally threaded boss at a rear terminal end thereof to threadedly receive a handle thereon to permit selective replacement of the head to accommodate various width joists. Legs of the head include planar parallel confronting faces and rearwardly tapered side surfaces to effect clearance and enhance visualization in use of the tool. A modification of the instant invention includes a cross shaft mounted to a rear terminal end of the handle, including spirit level and a series of notches mounted on a top surface of the cross shaft. The notches are cooperative with a spool supporting a plumb level, wherein the series of notches accommodate various head widths of the tool as the plumb level is directed in a spaced adjacent relationship relative to the tool.

REFERENCES:
patent: 117677 (1871-08-01), Pfouts
patent: 1430497 (1922-09-01), Engberg
patent: 2616319 (1952-11-01), Le May
patent: 4926537 (1990-05-01), Pool

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