E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
E06B 3/48 (2006.01) E05D 15/26 (2006.01) E05F 15/02 (2006.01) E06B 3/38 (2006.01)
Patent
CA 2493418
A hydraulic door opening mechanism for overhead bi-fold doors is herein disclosed. The door opening mechanism mounts a hydraulic pump, pressure reservoir, valve manifold, and a hydraulic motor or cylinder on a first door panel. The door opening mechanism is pre-assembled with the doorframe prior to mounting the door in the door opening.
Bakalich William
Keller Damian
Keller Daniel
Keller Richard
Hi-Fold Door Corporation
Sim & Mcburney
LandOfFree
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