Lock nut having lock member of shape memory recovery alloy
AssigneeMatsumoto Kokan Co., Ltd.
InventorHisao Matsumoto
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Abstract
A lock nut comprising a lock member prepared from a shape memory alloy and serving as a backup member for a fastening nut.
Claims3
A lock nut comprising a lock member prepared from an alloy having a shape memory for returning to and retaining said lock member in a locking shape when said lock member is heated to a temperature above ambient temperature, said lock member being formed in said locking shape at ambient temperature and being distorted at said ambient temperature into a shape larger than said locking shape for positioning said locking member at said ambient temperature in locking position before heat is applied to return and retain said locking member in said locking shape.
Dependencies are inferred from the claim text.