Roller-hinge assembly for retractable overhead door

Details Roller-hinge assembly for retractable overhead door Roller-hinge assembly for retractable overhead door

E - Fixed Constructions

06

B

E06B 9/08 (2006.01)

Patent

CA 2099510

ROLLER-HINGE ASSEMBLY FOR RETRACTABLE OVERHEAD DOOR ABSTRACT OF THE DISCLOSURE This invention pertains to a retractable roller- hinge assembly for use with retractable overhead doors. More particularly, this invention relates to a novel roller-hinge assembly which when installed on conventional retractable overhead doors, such as garage doors warehouse doors or truck doors, enables the door panels to pull away more quickly from the door frame as the overhead door is raised, or lowered. A hinge assembly for connecting upper and lower panels of a retractable overhead door comprising: (a) upper means for securing to the upper panel; (b) lower means adapted for securing to the lower panel, the lower means being hingedly connected by a pivotal axis to the upper means; (c) roller and roller axle means rotatably connected to the upper means, said roller and axle means being adapted to move towards the lower means as the upper means is pivoted about the pivotal axis.

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