Closure fasteners – Bolts – Sliding
Patent
1974-10-09
1976-11-02
Gilliam, Paul R.
Closure fasteners
Bolts
Sliding
292144, 292153, 292201, 292DIG4, 292DIG15, 292DIG65, E05C 108, E05C 322, E05C 500, E05C 1744
Patent
active
039892867
ABSTRACT:
An arresting arrangement is mountable on the lower edge of a door adjacent to the floor and is movable between an inoperative and an operative position. A biasing spring permanently biases the arrangement to the inoperative position, and a latching arrangement serves to releasably latch the arresting arrangement in the operative position. An electromagnet controls the operation of the latching arresting arrangement.
REFERENCES:
patent: 643850 (1900-02-01), Rogers
patent: 684586 (1901-10-01), Neher et al.
patent: 739906 (1903-09-01), Neher et al.
patent: 938114 (1909-10-01), Boettcher
patent: 942893 (1909-12-01), Ellerbe
patent: 1300319 (1919-04-01), Winter
patent: 1772604 (1930-08-01), Herz
patent: 2435729 (1948-02-01), Whann et al.
patent: 3791687 (1974-02-01), Schroeder
Dorma-Baubeschlag GmbH & Co. KG
Gilliam Paul R.
Pietruszka C. F.
Striker Michael J.
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