CONTACT-MINIMIZING DOOR OPENING AND CLOSING SYSTEM
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United States of America Patent
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Issued Date -
Dec 24, 2020
app pub date -
Jun 15, 2020
filing date -
Jun 20, 2019
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Abstract
A contact-minimizing door opening and closing system for a door has a handle including a shaft with an endplate disposed on the shaft opposite the handle and a latch bolt including a pin positioned to contact the endplate. The pin prevents movement of the handle when the latch bolt is extended from a lock housing, and allows movement of the handle when the latch bolt is retracted into the lock housing. An engaging and disengaging mechanism couples the handle to a locking pin such that movement of the handle is configured to operate the engaging and disengaging mechanism to lock the door.
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