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US 2023/0140262 A1Published application
Anti-loosening fastener for fuel cell stacks
AssigneeJis, Inc.
InventorIn Ho KIM
Life of this patent
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Abstract
Disclosed herein is an anti-loosening fastener for fuel cell stacks, which is capable of maintaining performance of a fuel cell stack and prolonging a life of a fuel cell by preventing the fastener for coupling unit cells of the fuel cell stack from loosening due to vibration generated during driving.
Claims7
An anti-loosening fastener for fuel cell stacks, comprising:
- a full threaded bolt exposed through a fuel cell stack and provided with a threadless part having a predetermined length;
- a positioner screwed to a male threaded part of the full threaded bolt and having a coupling hole coupled to a stopper protrusion;
- and
- a stopper slidably fitted to the threadless part of the full threaded bolt while having the stopper protrusion coupled to the coupling hole.
1 more element
Dependencies are inferred from the claim text.