Door closing actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 11, 2007
app pub date -
Apr 6, 2006
filing date -
Apr 6, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A door closing actuator for closing a door in a frame is provided. The door closing actuator comprises a cylinder having a first end adapted to be attached to the door or the door frame. The cylinder has a second end opposite the first end and a stop located there between. A rod is movable within the cylinder with the rod protruding from the second end of the cylinder. The rod is attachable to the door or the door frame. A locking device is movably connected to the cylinder for locking the rod relative to the cylinder with the locking device having a locking member and an actuation member. The actuation member has a locking member contact portion adapted to contact the locking member. The locking member is disposed in the cylinder between the second end and the contact portion. The actuation member engages and moves the locking member from a free position to a locking position in which the locking member engages the rod. Movement of the rod relative to the cylinder with the locking member in the locking position causes the actuation member to disengage the locking member and further causes the locking member to engage the stop of the cylinder.
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