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US 2009/0256341 A1Published application
Fastener
AssigneeNsk Ltd.
InventorsJun Okada, Hirotoshi Aramaki
Life of this patent
Estimating the term…
Abstract
A fastener (1) for joining together two members (5, 6) includes a ring main body (3), a plurality of projecting portions (4) which are provided on the ring main body in a circumferential direction at intervals, and a plurality of recessed portions (10) which are provided on the projecting portions, whereby when the two members move relative to each other, a stable frictional resisting force can be imparted.
Claims13
A fastener for joining together two members comprising:
- a ring main body;
- a plurality of projecting portions provided on the ring main body in a circumferential direction thereof at intervals;
- and
- a recessed portion provided on the projecting portions.
1 more element
An electric telescopic adjustment steering apparatus comprising:
- a steering column comprising an outer column and an inner column which are connected so as to extend and contract freely and adapted to support rotatably a steering shaft on which a steering wheel is mounted;
- and
- an electric actuator mounted on the outer column at one end portion and on the inner column at the other end portion, so as to allow the extension and contraction of the outer column and the inner column, wherein
- the electric actuator has a contracting portion adapted to absorb impact energy by contracting while producing load in an axial direction when impact load is inputted, and
- a coating of solid lubricant is formed on the contracting portion of the electric actuator.
2 more elements
Dependencies are inferred from the claim text.