Hand releasable locking collar
OwnerDonald A. Lundstrominventor
Life of this patent
Estimating the term…
Abstract
A device for releasably gripping a shaft has a body with a central channel for receiving the shaft. The device also has an arrangement, mounted to the body, for gripping and releasing the shaft when a member of the arrangement, is respectively in first and second positions with respect to the body. A sleeve is disposed concentrically outside of the body, and is mounted for axial movement with respect to the body in such a manner as to cause axial movement of the member, so axial movement of the sleeve in a first direction will achieve release of the shaft. In this manner, one may grip the sleeve and, in a single motion, achieve release of the shaft and slide the device relative to the shaft.
Claims20
A device for releasably gripping a shaft, having a longitudinal axis, inserted into the device, the device comprising:
- a body having a central channel for receiving the shaft;
- a clutch plate, mounted within the body and having a central opening for receiving the shaft, for gripping and releasing the shaft when respectively in a first and second position with respect to the body;
- clutch plate bias means, mounted to the body, for biasing the clutch plate at an oblique angle with respect to the shaft;
- and
- a sleeve, disposed concentrically outside the body and mounted for axial movement with respect thereto, the sleeve including an actuating tab projecting radially inward for engagement against a circumferential contact region of the clutch plate so that axial movement of the sleeve in a first direction achieves release of the shaft.
A releasable locking collar for releasably gripping a shaft comprising:
- a body having a central channel for receiving the shaft;
- a clutch plate, mounted within the body and having a central opening for receiving the shaft, for gripping and releasing the shaft when respectively in a first and second position with respect to the body;
- a sleeve, disposed concentrically outside the body and mounted for axial movement with respect thereto, so that axial movement of the sleeve in a first direction achieves release of the shaft;
- a ledge in the body for restricting axial motion of a circumferential pivot location on the clutch plate in the first direction;
- and
- clutch pivot means attached to the body to restrict axial motion of the circumferential pivot location of the clutch plate in a direction opposite to the first direction.
Dependencies are inferred from the claim text.