Locks – Special application – For control and machine elements
Reexamination Certificate
2005-06-23
2008-11-25
Engle, Patricia L (Department: 3673)
Locks
Special application
For control and machine elements
C070S224000, C292S207000, C292S336300, C292SDIG030, C292SDIG031
Reexamination Certificate
active
07454933
ABSTRACT:
A handle and housing assembly includes a housing having front and rear sides. A handle is connected on the front side of the housing to a shaft that extends through the housing along a forwardly-rearwardly extending axis. The handle may turn the shaft about the axis to turn components connected to a rear portion of the shaft, and/or the handle may move shaft-connected components forwardly and rearwardly along the axis of the shaft. In some embodiments, the housing defines a forwardly facing recess, and the handle is nestable within and extendable from the recess. In some embodiments, the handle and housing are provided with padlockable formations that extend side by side when the handle is in its nested or retracted position. In some embodiments, rearwardly extending housing-carried formations cooperate with a shaft-connected component to limit the permitted range of turning movement of the shaft about the principal axis, and/or the formations extend along opposite sides of a path of travel followed by a lock bolt to guide the lock bolt as it moves between locked and unlocked positions to selectively prevent and permit turning of the shaft about the principal axis.
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Paige Douglas J.
Weinerman Lee S.
Wolos Paul J.
Boswell Christopher
Burge David A.
Engle Patricia L
The Eastern Company
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