DOOR CLOSER WITH TRI-LOBE PINION
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United States of America Patent
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N/A
Issued Date -
Jul 30, 2015
app pub date -
Jan 24, 2014
filing date -
Jan 24, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A door closer assembly is configured to controllably close a door and to accommodate several door closer assembly installation configurations. The door closer assembly includes a housing that carries a pinion having a pinion shaft with a tri-lobe end portion. A closer arm having a tri-lobe opening is configured to receive the tri-lobe end portion of the pinion shaft in driving engagement. The tri-lobe end portion of the pinion shaft and the corresponding tri-lobe opening in the closer arm cooperate to limit the number of orientations that the closer arm may be connected to the pinion shaft.
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