Universal washer, fastening apparatus, and battery pack
AssigneeSamsung SDI Co., Ltd.
InventorSanghun Park
Life of this patent
Estimating the term…
Abstract
Disclosed are a universal washer, a fastening apparatus, and a battery pack. The universal washer may be interposed between a fastening bolt and a fastening nut for fixing one or more connection members to be in contact with a lower surface of the one or more connection members and may be formed with a through hole through which a shaft at a lower part of a head of the fastening bolt passes. A concave curved portion may be formed in a peripheral portion of the through hole in a direction of travel of the shaft of the fastening bolt, and a flat rim portion may be formed on a rim of the universal washer.
Claims20
A universal washer comprising:
- a through hole through which a shaft at a lower part of a head of a fastening bolt passes;
- a concave curved portion formed in a peripheral portion of the through hole in a direction of travel of the shaft of the fastening bolt;
- and
- a flat rim portion formed on a rim of the universal washer, wherein the universal washer is configured to be interposed between the fastening bolt and a fastening nut for fixing one or more connection members such that the universal washer is in contact with a lower surface of the one or more connection member.
A fastening apparatus comprising:
- a fastening bolt;
- a fastening nut fastened with the fastening bolt to fix one or more connection members;
- and
- a universal washer interposed to be in contact with a lower surface of the one or more connection members and formed with a through hole through which a shaft at a lower part of a head of the fastening bolt passes, a concave curved portion being formed in a peripheral portion of the through hole in a direction of travel of the shaft of the fastening bolt, and a flat rim portion being formed on a rim of the universal washer.
Dependencies are inferred from the claim text.