Door closure with mechanical braking means

Details Door closure with mechanical braking means Door closure with mechanical braking means

1988-08-10

1989-10-10

Godici, Nicholas P.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Checks and closers

Spring and gear

16 79, 16 85, 16DIG10, E05F 110, E05F 502

Patent

active

048722391

ABSTRACT:
A mechanical disk-type door closure wherein one end of the closure is connected to a door and the other end is pivotally connected to a door jam such that when the door pivots about its hinge. The closure includes a rod upon which a rack is formed to cause a pinion to rotate in one direction and which is in mesh with a gear so as to move the pinion out of contact with the rack. When the door closes, a spring moves the pinion into engagement with the rack and the pinion turns in a direction to rotate the gear which is subjected braking pressure so as to adjust the resistance to the closing motion of the door.

REFERENCES:
patent: 1126635 (1915-01-01), Henry
patent: 2045076 (1936-06-01), Garrison
patent: 2650386 (1953-09-01), Edwards

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