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US 9,199,105 B1Granted
Safety hook
AssigneeYoke Industrial Corp.
InventorWei-Chieh Hung
Life of this patent
Estimating the term…
Abstract
A safety hook includes a hook member, a latch member, and a switch, wherein the both the latch member and the switch are pivoted on the hook member, and the latch member is moved between a lock position and an unlock position by pressing the switch. The hook member is covered by a insulating member, and the insulating member includes two insulating layers with different colors to warn the user by the color change if the outer insulating layer is worn. The latch member and the switch are covered by insulating members as well to avoid electric shock.
Claims8
A safety hook, comprising:
- a hook member having a body and a first insulating member covering a surface of the body;
- a switch pivoted on the hook member and having a second insulating member covering a surface of the switch, wherein the switch has a guiding slot, and the guiding slot has a start point at an end, an end point at an opposite end, and a turn point between the start point and the end point;
- a latch member pivoted on the hook member to be moved between a lock position and an unlock position and having a third insulating member covering a surface of the latch member, wherein the latch member has a connecting end;
- and
- a positioning pin inserted into the latch member and the guiding slot of the switch, whereby the latch member is moved between the lock position and the unlock position while the switch is moved;
- the latch member is moved to the lock position while the positioning pin is at the start point of the guiding slot, and the latch member is moved to the unlock position while the positioning pin is at the end point of the guiding slot.
3 more elements
Dependencies are inferred from the claim text.