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US 3,938,844 AGranted
Adjustable pelican hook
AssigneeC. Sherman Johnson Co., Inc.
InventorCurtiss S. Johnson, Jr.
Life of this patent
Estimating the term…
Abstract
A pelican hook of the type utilized to make rapid and secure connections with cables, chains and eyelets is provided with adjustment features permitting the distance between or tension applied to the connected articles to be varied. The hook is designed to permit the distance or tension adjustment to be made while the articles are interconnected by the hook. Additional safety features prevent the hook from opening until it is manually released.
Claims4
A pelican hook having an adjustment feature comprising:
- an elongated U-shaped body member having generally parallel sides connected together at one end and a opening between the sides at the other end;
- a jaw member pivotally connected to the body member between the sides at the other end for movement between opened and closed positions;
- a catch formed from a ring pivotally mounted in the body member to move into locking engagement with the jaw member in the closed position;
- means for holding the catch in locking engagement with the jaw member including a detent mounted on the body member;
- an adjustable link including a threaded shaft extending through the body member at the one end and between the sides adjacent the one end, the link also having a fastening for connecting the pelican hook to another article;
- means for adjusting the position of the link relative to the body member to increase and decrease the distance between the fastening on the adjustable link and the jaw member in the closed position, the adjusting means including a rotatable nut on the threaded shaft and captured by the parallel sides of the body member at a longitudinal station on the body member;
- and
- means for limiting the rotation of the threaded shaft relative to the body member, the limiting means including a member extending transversely through the threaded shaft and between the parallel sides of the body member.
5 more elements
Dependencies are inferred from the claim text.