Retaining bracket for carpenter's square

Details Retaining bracket for carpenter's square Retaining bracket for carpenter's square

1998-02-04

2000-06-06

Hirshfeld, Andrew H.

Geometrical instruments

Straightedge type

Plural straightedges nonadjustably fixed at right angles

33484, 33838, 2482981, 269 91, 269 93, 269 99, B23Q 300

Patent

active

060703342

ABSTRACT:
A retaining bracket is provided for securing a carpenter's square thereto in a desired fixed position relative to the bracket, such that the carpenter's square can be used to mark surfaces of construction materials to be cut. The retaining bracket includes a pair of locking elements captured by and loosely carried in a channel within the bracket and having arm portions positioned outside of the bracket and pins extending through a slot in the bracket connecting the interior and exterior portions of the locking elements, and the arm portions are provided with locking screws which are advanced into contact with the square once the square is properly positioned, to thereby securely fasten the square to the bracket.

REFERENCES:
patent: 822775 (1906-06-01), Schnurr
patent: 2661783 (1953-12-01), Caston
patent: 2705441 (1955-04-01), Armstrong
patent: 3286744 (1966-11-01), Stall et al.
patent: 3623232 (1971-11-01), Mahlstadt
patent: 4170345 (1979-10-01), Townsend
patent: 4898370 (1990-02-01), Saito et al.
patent: 5038487 (1991-08-01), Johnson

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