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Individual
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Individual
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Priority to ES228722ApriorityCriticalpatent/ES228722A1/en
Publication of ES228722A1publicationCriticalpatent/ES228722A1/en
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)
Abstract
Mechanism for the automatic closing of doors, characterized in that it consists in combination of a sealed crankcase intended to contain an oil bath, a square shaft in a corner of the crankcase whose shaft is integral with the axis of rotation of the door a flexible member anchored by a end to a sleeve integral with this square shaft and on the other to a first bushing able to rotate with this first bushing mounted idly on a rod carrying a second bushing at its other end of the rod and the second bushing, a helical spring threaded on winch of this rod having the spring one end anchored to the first bushing that is arranged loosely on the rod and its other end integral with the second bushing fixed to the rod, a turning device capable of communicating a twisting motion to the second bushing, joined to the rod and therefore to the helical spring integral with this bushing and a cushion assembly consisting of a cylinder with throttle and a piston capable of sliding in this cylinder, the stem of this piston consisting of an elbow lever articulated at its free end to an ear of the sleeve coupled to the square axis of rotation of the door, all these organs being submerged in the bath of oil contained in the sealed crankcase. (Machine-translation by Google Translate, not legally binding)
ES228722A1956-05-231956-05-23Mechanism for the automatic closure of doors. (Machine-translation by Google Translate, not legally binding)
ExpiredES228722A1
(en)