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US 10,207,332 B2Granted
Work holder and work machining method
AssigneeJtekt Corporation
InventorsTakashi Yokoyama, Masami Narisawa, Shogo Kuroyanagi, Yoshinobu Shichiri
Life of this patent
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Abstract
A work holder includes: a first holding part having three attracting members that are arranged circumferentially apart from each other to attract an axial end face of an annular work; and a second holding part having a contacting member that is held in contact with an inner periphery or outer periphery of the work and restricts radial movement of the work.
Claims10
A work holder comprising:
- a first holding part including three attracting members that are arranged circumferentially apart from each other to attract an axial end face of an annular work;
- and
- a second holding part including:
- (i) a contacting member that is held in contact with an inner periphery or outer periphery of the work and restricts radial movement of the work;
- and
- (ii) a biasing member configured to apply a biasing force to the contacting member, the biasing force directed toward the work in a radial direction,
- wherein the biasing member is an elastic member elastically biasing the contacting member.
4 more elements
Dependencies are inferred from the claim text.