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US 5,329,827 AGranted
Function selector knob lock
AssigneeIngersoll-Rand Company
InventorLeslie J. Sell
Life of this patent
Estimating the term…
Abstract
A deformable flat spring is disposed between a rotating selector knob and a stop to prevent unwanted rotation of the selector knob and wherein release of the stop requires displacement of the knob in an axial direction relative to the stop to deform the flat spring thereby permitting escape of the stop and selective rotation of the knob.
Claims4
A selector lock in combination with a hoist function selector knob comprising:
- a selector knob assembly comprised of a shaft mounted stop and a hand operated knob co-axially mounted about said stop for rotation and axial displacement thereabout;
- said stop and said hand operated knob having co-planar surfaces in one position retaining mode and corresponding non co-planar surfaces in a second position selecting mode;
- deformable spring means secured to one of said co-planar surfaces and in selected contact with the other of said co-planar surfaces in response to axial displacement of said hand operated knob relative to said stop;
- and
- said deformable spring means coacts with a stop pin on the other of said co-planar surfaces.
2 more elements
Dependencies are inferred from the claim text.