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Kanazawa-shi, Japan

Patent
Nhk Spring Co. | Date: 2015-10-27

A suspension coil spring includes a lower end turn portion, an upper end turn portion, and a helical effective portion formed between the end turn portions. The lower end turn portion includes a first portion which contacts a lower spring seat irrespective of a load, and a second portion which contacts the lower spring seat or is separated from the same according to the load. The wire diameter of the second portion is greater than that of the first portion and an average wire diameter of the effective portion. The upper end turn portion includes a third portion which contacts an upper spring seat, and a fourth portion. The wire diameter of the fourth portion is greater that of the third portion and the average wire diameter of the effective portion.


Patent
Nhk Spring Co. | Date: 2015-02-26

A stop mechanism of a helm device includes a rotation member, rotatable disks, fixed disks, and an electromagnet which presses these disks against one another. An inversion control pin is provided in a steering shaft. Slits are formed in a cylindrical portion. Both ends of the inversion control pin are inserted into the slits. The slits are shaped to be elongated in a circumferential direction of the cylindrical portion. A first pin receiving stopper wall is formed on one end of the slits. A second pin receiving stopper wall is formed on the other end of the slits. The inversion control pin can move within the range of inversion allowance angle between the pin receiving stopper walls.


Patent
Nhk Spring Co. | Date: 2015-05-04

A strut-type suspension includes a compression coil spring, a lower spring seat, an upper spring seat, and a shock absorber. The compression coil spring is disposed at a position offset to the outer side of a vehicle with respect to the shock absorber. The compression coil spring is mounted in a vehicle body in such a state that it is compressed between spring seats. The compression coil spring includes a large-diameter wire portion and a small-diameter wire portion. The large-diameter wire portion is provided in a vehicle inner-side portion of the compression coil spring. The small-diameter wire portion is provided in a vehicle outer-side portion. A wire diameter of the large-diameter wire portion is greater than a wire diameter of the small-diameter wire portion.


Patent
Nhk Spring Co. | Date: 2015-05-04

A knee-action-type suspension is provided with an arm member, a compression coil spring, and a shock absorber. The coil spring is extended and retracted between a full-rebound state and a full-bump state in accordance with the magnitude of a load applied to a vehicle body. A wire of the coil spring includes a large-diameter wire portion, a small-diameter wire portion, and a wire diameter varying portion. The large-diameter wire portion is provided in a first portion of the coil spring, which is on the side near to a pivot. The small-diameter wire portion is provided in a second portion of the coil spring, which is on the side far from the pivot. A wire diameter of the large-diameter wire portion is greater than a wire diameter of the small-diameter wire portion.


Patent
Nhk Spring Co. | Date: 2015-06-16

A vehicle seat includes: a seatback frame of a resin-formed seatback, including a plate-shaped back face panel portion; a headrest; a seatback pad; a lattice-shaped spring member formed from wire arranged in a lattice shape, attached to the seatback frame at a front side of the back face panel portion, and that resiliently supports the seatback pad from a rear side, with a space formed between the back face panel portion and the lattice-shaped spring member; and a load transmission section provided at one of the lattice-shaped spring member or the back face panel portion and disposed inside the space so as to project out toward the side of the other one of the lattice-shaped spring member or the back face panel portion, such that a gap is formed between the load transmission section and the other one of the lattice-shaped spring member or the back face panel portion.

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