Independent RX spring cartridge for a mortise lock
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United States of America Patent
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Jul 28, 2020
Grant Date -
Feb 1, 2018
app pub date -
Jul 21, 2017
filing date -
Jul 28, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A spring cartridge for a mortise lock includes a housing adapted to be secured within the mortise lock housing, and first and second members slideable with respect to the spring cartridge housing, the first and second members each having a first end adapted to contact an outer surface of first and second spindle hubs and being independently actuable along a longitudinal axis of the spring cartridge housing in response to rotation of the first or second spindle hub. A spring retained by the spring cartridge housing contacts a second end of the first and second members to bias each of the members against the outer surface of the first and second spindle hubs, respectively. Upon rotation of one of the hubs, the member contacting the hub permits the hub to rotate, while the member contacting the other hub prevents the other hub from rotating.
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