Tool for crimping a corner bead piece over an exterior plasterbo

Details Tool for crimping a corner bead piece over an exterior plasterbo Tool for crimping a corner bead piece over an exterior plasterbo

1985-10-04

1986-06-10

Watson, Robert C.

Metal working

Means to assemble or disassemble

Overedge assembling means

29275, B23P 1100

Patent

active

045934436

ABSTRACT:
The disclosed crimping tool has two faces angled at a substantially right angle to one another across an interior corner, and a crimping pin is carried relative to each face operable to move from one position recessed behind the faces to another position projected forwardly beyond the faces. A post extends away from the corner rearwardly of the faces, and a striker is mounted to move on the post and is connected by linkage to the crimping pins. The tool fits with the faces over a corner bead piece, the piece itself being positioned over an exterior structural corner of meeting plasterboard sheets. The striker is adapted to be hit with a mallet or the like to drive the crimping pins from the recessed position to the projected position, and against the underlying corner bead piece and into the plasterboard, operable to crimp part of the corner bead piece into the plasterboard and secure it over the exterior plasterboard corner. The disclosed tool has magnet means carried on the tool faces, adapted to magnetically cooperate with and releasably hold the corner bead piece as positioned thereagainst. This allows one-hand manipulation of the tool and the corner bead piece as the corner bead piece is first being fitted over the exterior plasterboard corner and prior to crimping the piece with the tool.

REFERENCES:
patent: 969471 (1910-09-01), Grossman
patent: 2178187 (1939-10-01), Sake
patent: 2358142 (1944-09-01), Carlin
patent: 3160890 (1964-12-01), Lefebvre
patent: 4021516 (1977-05-01), Stevenson

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