Retention and reinforcement system for knobs and levers
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United States of America Patent
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May 27, 2003
Issued Date -
N/A
app pub date -
Feb 5, 2001
filing date -
Feb 5, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A collar coacts with a chassis, sleeve and lever of a lockset to provide a retention and reinforcement system for lock assemblies. The collar has a flanged portion and a sleeve-engaging portion and is sandwiched between a lever and the cylinder. The sleeve-engaging portion includes at least one tab that engages the sleeve to retain the collar on the sleeve. Alternatively, the collar can be staked to the sleeve. A spring washer can be mounted between the collar and the chassis to take up variation in manufacturing tolerances. The result is a retention and reinforcement system that provides a protection against attack in the zone of attack around the handle-chassis interface.
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