Push bar dogging apparatus

Details Push bar dogging apparatus Push bar dogging apparatus

1989-08-21

1990-11-06

Wolfe, Robert L.

Closure fasteners

Bolts

Emergency operating means

70 92, E05C 1502

Patent

active

049680706

ABSTRACT:
A door latching or unlatching push bar apparatus comprising: a mounting rail means to be carried by the door, the rail means having a locking rail; a push bar mounted for advancement and retraction relative to the rail means; support means carried by the push bar to extend toward the rail means, and a lock arm carried by the support means to be movable into and out of dogging position relative to the locking rail; and an actuator carried by the push bar and operatively connected with the lock arm to move the lock arm into and out of dogging position when the push bar has been advanced toward the rail means.

REFERENCES:
patent: 1141338 (1915-06-01), Hill
patent: 1161972 (1915-11-01), Rehfuss
patent: 3011330 (1961-12-01), Eads
patent: 3011817 (1961-12-01), Eads
patent: 3097007 (1963-07-01), Eichacker et al.
patent: 3214947 (1965-11-01), Wikkerink
patent: 3271982 (1966-09-01), Welch
patent: 3345099 (1967-10-01), Paul et al.
patent: 3368374 (1968-02-01), Eads
patent: 3614145 (1970-08-01), Zawadzki
patent: 3663047 (1972-05-01), Zawadzki
patent: 3866730 (1975-02-01), Balducci
patent: 3869159 (1975-03-01), Eads
patent: 3873141 (1975-03-01), Peterson
patent: 4083590 (1978-04-01), Folger
patent: 4218903 (1980-08-01), Eads
patent: 4458928 (1984-07-01), Hirschbein
patent: 4624490 (1986-11-01), Miller
patent: 4785286 (1988-11-01), Martin
patent: 4839988 (1989-06-01), Betts

Affiliated with

Also associated with

Rating

Push bar dogging apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Push bar dogging apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Push bar dogging apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1303041