KEY-OPERATED HANDLE KNOB ASSEMBLY HAVING HIGH COMPRESSIVE STRENGTH
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United States of America Patent
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-
N/A
Issued Date -
Jan 17, 2008
app pub date -
Apr 26, 2007
filing date -
Apr 28, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A handle knob assembly comprises a knob shell and a lock retainer disposed within the knob shell. The lock retainer includes a hollow drum portion, a hollow neck part extending rearwardly from the drum portion and projecting out of a rear opening of the knob shell, a lock-receiving hole formed in the drum portion and aligned with a key hole of the knob shell, a plurality of annularly spaced apart and axially extending ribs that project radially from an outer periphery of the drum portion, and a ring extending around the ribs and having a distal peripheral end extending toward an inner surface of the knob shell. The construction as such saves the cost of materials and provides sufficient strength to resist radial compressive forces.
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