Door closer and holder

Details Door closer and holder Door closer and holder

E - Fixed Constructions

05

F

268/18

E05F 3/12 (2006.01) E05F 3/22 (2006.01)

Patent

CA 1295638

DOOR CLOSER AND HOLDER ABSTRACT OF THE INVENTION A door closer and holder comprises a cylinder shell having a piston sealingly reciprocable therein. A spring biases the piston toward one end of the shell, and the piston is connected through the usual means to the door. At the said end the operating rod of a shuttle valve extends into the shell and is engaged by the piston as it approaches the end. The shuttle valve selectively directs the return fluid flow through sweep- and latch-control valves The assembly also includes a solenoid-operated "bullet" switch closes off the return flow to hold the door open. The angle of the openness at which the door is held may be selected by setting a cam on the holder drive pinion which engages a switch to activate the solenoid.

568162

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