Door hold-open device having manual or automatic release

Details Door hold-open device having manual or automatic release Door hold-open device having manual or automatic release

E - Fixed Constructions

05

C

E05C 17/00 (2006.01) E05F 3/22 (2006.01)

Patent

CA 2145807

A door hold-open device having manual and automatic release capabilities, includes a straight linear track having a substantially U-shaped cross-section and acting as a guide for a roller assembly, the roller assembly having a provision for engaging a door catch assembly and for attachment to a door control arm; a door catch assembly fixed within the track and having a power-actuated plunger-driven member for engaging and for releasing the roller assembly; and further provision for manually over-riding the power actuated plunger-driven member to release a door.

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