Door holder

Details Door holder Door holder

E - Fixed Constructions

05

F

E05F 3/02 (2006.01) E05C 17/30 (2006.01) E05F 3/22 (2006.01)

Patent

CA 2426636

A door holder has a piston reciprocable in a cylinder and a rod extending from the piston through one end of the cylinder. The outer end of the rod is pivoted to a door frame and the opposite end of the cylinder is pivoted to the door, or visa versa. A retainer is provided on the rod to prevent the piston and cylinder from contracting after the door has been opened. To release the retainer so that the piston and cylinder can contract, a coil spring is compressed between the retainer and the end of the cylinder. Upon a slight extension of the piston and cylinder beyond the door holding position, the spring pushes the retainer out of engagement with the cylinder so that the piston and cylinder can contract and the door can close.

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