Retractable grappling hook
AssigneeThe United States of America as represented by the Secretary of the Army
InventorJames E. Sadeck
Life of this patent
Estimating the term…
Abstract
A retractable grappling hook generally comprising a shaft having a longitnal extending axis and a plurality of hooks pivotally attached to the shaft. Each hook has a longitudinally extending axis and is pivotal to a retracted position such that the axis of each hook is substantially parallel to the axis of the shaft and to an extended position such that the axis of each hook is angulated with respect to the axis of the shaft. The retractable grappling hook further comprises a hook control system on the shaft for configuring and locking the hooks in either the extended or retracted positions, and an attachment member attached to the shaft for attaching the grappling hook to other devices.
Claims16
A retractable grappling hook, comprising:
- a shaft having a longitudinal extending axis;
- a plurality of hooks pivotally attached to the shaft, each hook having a longitudinally extending axis and being pivotal to a retracted position such that the axis of each hook is substantially parallel to the axis of the shaft and to an extended position such that the axis of each hook is angulated with respect to the axis of the shaft;
- a hook control system on the shaft for configuring and locking the hooks in either the extended or retracted positions;
- and
- an attachment member attached to the shaft;
- wherein
- said hook control system comprises a hook control member movably attached to the shaft for pivoting the hooks to either the extended or retracted position, and
- a lock member movable attached to the shaft for preventing movement of the hook control member so as to lock the hooks in either the extended or retracted positions;
- wherein each hook has a protruding region thereon wherein the hook control member comprises a plate member having a central opening for receiving the shaft and a plurality of engagement regions, each of the engagement regions engaging a protruding region of a corresponding hook, the plate member being rotatable and axially movable upon the shaft, the hooks being configured in the extended position when the plate member is rotated in a first direction and in the retracted position when the plate member is rotated in a second direction;
- and wherein the engagement regions of the plate member comprise a plurality of openings surrounding the central opening, each opening being sized for receiving a protruding region of a corresponding hook.
Dependencies are inferred from the claim text.