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Assignee: NHK Spring Co., Ltd.


Location: JP
No. of patents: 34

NumberTitleIssue Date
7937812Boot band
The resistance against the portion of a band body that is riding over engagement claws at the time of fastening the band body is reduced, so that the band body can be fastened by a small amount of fastening force. This boot band consists of: a band body that is fast...
05/10/2011
7832062Boot band
The amount of fastening caused by clamping an ear part 4 is confirmed with a simple structure. A boot band consists comprises: a band 1 that is wound—on a member to be fastened to another member—in such a ring shape that the band's overlapping part...
11/16/2010
7788768Door closer
A door closer that integrally incorporates a door-opening-assistance device, and that therefore eliminates the need for unnecessary troublesome adjustment between parts, and whose number of parts is reduced, making said door closer compact. The door closer 1 ...
09/07/2010
7743472Boot band
A boot-band that (a) does not excessively clamp a boot, (b) can prevent leakage of grease from the boot and the boot-band, and (c) uniformly produces a tight contact force on the boot without deteriorating the contact force on the boot. This boot-band includes a met...
06/29/2010
7463041High-density electroconductive contact probe with uncompressed springs
A holder 1 is formed by laminating support members 3, 4 and 5 and passing holder holes 2 through them. A pair of needle members 9 and 10 are provided on either end of the coil spring 8. Each of the needle members 9...
12/09/2008
7438168Cushion plate
A cushion plate is provided, for example, between a piston of a hydraulic servo and an adjacent friction plate in a frictional engagement element of an automatic transmission. The cushion plate is deflected by a pressing force of the piston to absorb an engagement s...
10/21/2008
7424769Boot band
Buckling is prevented at the time of clamping a band body, and the band body is made short. A boot band comprises a band body 31 that is wound in a ring shape—around a member to be clamped—in such a way that the outer-layer portion 32 of the band b...
09/16/2008
7422404Facilitated tightening device
A facilitated tightening device allowing a bolt to be inserted smoothly by preventing a screw block engaged with the bolt from being inclined or falling down, comprising a base (2) having a bolt-insertion hole (7) partly forming a bolt-receiving face (...
09/09/2008
7359157Resin and metal head suspension for disk drive
A head suspension for a disk drive has support plate means (3, 7) serving as a carriage arm and a load beam (5). The load beam consists of a rigid part (13) and a resilient part (15), to apply load to a slider (43) of a head. The s...
04/15/2008
7255401Automobile headrest
A headrest stay for supporting a headrest is inserted in a headrest bush and is supported. A height adjusting mechanism is attached to the headrest bush at a position corresponding to an upper end portion of a seat back. A headrest removal prevention device for prev...
08/14/2007
7204558Automobile headrest
Provided is an automobile headrest which can be prevented from being drawn out inadvertently or on purpose, and can be drawn out through a special operation if necessary. The automobile headrest includes a falloff preventing mechanism that can be composed of the sam...
04/17/2007
6740431Medium for identifying matter to be identified and method for production thereof
In an identification medium for identifying an authenticity of an object either visually or optically by using an identification device, high polymer cholesteric liquid crystal is applied onto the object, onto a sticker adapted to be affixed to the object or onto a ...
05/25/2004
6513880Power actuator suitable for vehicle occupant restraint systems
Provided is a compact power actuator which is simple in structure, reliable in operation, and easy to install. The power actuator comprises a piston assembly which is received in a fixed cylinder for either directly or indirectly engaging a vehicle occupa...
02/04/2003
6450573Anti-submarine vehicle seat device
Provided is a vehicle seat device equipped with an anti-submarine vehicle seat device for preventing submarine at the time of an impact without increasing the size and weight of the seat assembly. The casing and/or the restraint member serve the dual purp...
09/17/2002
6439552Overhead wire tensioning device
The overhead wire tensioning device of the present invention is improved in reliability and eliminates the need for constant maintenance work by protecting the slide mechanism between the cylinder case of the gas spring type overhead wire tensioning devic...
08/27/2002
6337572Electric contact probe unit
In an electric contact probe unit using a perforated plate member as a holder member, the holder member is made of material having a low coefficient of thermal expansion so that, even when used in a high temperature environment, the thermal expansion of t...
01/08/2002
6330120Actuator for objective lenses
A resilient support member 5 is provided between a lens holder 2 and a base member 4 to resiliently support the lens retainer 2 with respect to the base member 4. A pair of auxiliary damping members 10a and 10b extend along the length of the resilient sup...
12/11/2001
6301047System for optically identifying an object
The object to be identified is affixed with an identification medium comprising a reflective layer consisting of a reflective hologram or diffraction grating. The high polymer cholesteric liquid crystal provides an inexpensive identification medium, and t...
10/09/2001
6259671Object lens actuator
The peak value of the higher resonant frequency vibration of a moveable part of an object lens actuator is reduced without requiring any additional mounting space, increasing the number of component parts or adding weight by appropriately adjusting the mo...
07/10/2001
6204486Heater unit for semiconductor processing
In a heater unit, comprising a lower metallic base, an upper metallic base placed closely over an upper surface of said lower base, and a resistance heater wire received in a groove defined between opposing surfaces of said lower and upper bases, ceramic ...
03/20/2001
6180931Heater unit for semiconductor processing
An upper metallic base is placed over a lower metallic base with a resistance heater element interposed between them so as to cause a plastic deformation to at least one of the opposing surfaces until the corresponding surfaces conform to an outer profile...
01/30/2001
6164700Seat belt pretensioner device
In a pretensioner device for automatically increasing a tension of a seat belt in case of a vehicle crash which uses a piston and cylinder arrangement as a power generator, a spring member resiliently urges the piston assembly in the direction of actuatio...
12/26/2000
6061122Optical identification system using cholesteric liquid crystals
Provided is an economical identification system suitable for use on commercial products which is difficult to duplicate, and highly identifiable. The system includes an identification medium having a high-polymer cholesteric liquid crystal material applie...
05/09/2000
6024346Coil spring resistant to permanent set and fatigue
By controlling the thickness of the nitrization layer formed on the surface, the coil spring made of spring steel may be made highly resistant to permanent set and fatigue. By carbonitriding the material of the coil spring to a depth of 20 to 50 μm from ...
02/15/2000
5860757Ball joint
A ball joint comprises a metallic stud bolt having a male screw on one end side and a spread portion on the other end side, a resin ball member of synthetic resin having a spherical portion covering the spread portion, and a ball seat of synthetic resin h...
01/19/1999
5798655Contact probe unit including needle members urged by a resilient material block
Provided is a contact probe unit for establishing an electric contact between parts to be contacted and terminals of an external circuit. A plurality of needle members are slidably received individually in support holes provided in a support block. A resi...
08/25/1998
5701575Article made of a Ti-Al intermetallic compound, and method for fabrication of same
An article essentially consisting of one or more of Ti--Al intermetallic compounds is fabricated so as to have a volume ratio of voids no more than 3.5%, by preparing a mixture of materials selected from a group consisting of Ti, Ti alloys, Al, Al alloys,...
12/23/1997
5442433Identification system for an article having individually attached patches
Each identification mark consisting of hologram or diffraction grating having a unique diffractive property which can be detected with optical identification means is formed on a seal, and, by affixing such seals as a combination and reading them, the ana...
08/15/1995
5438403Article identification system
Provided is a system for identifying the authenticity of an article which is reliable, and would not restrict the freedom of design. An identification region is defined on the article for identification purpose. The identification region comprises a light...
08/01/1995
5414369Coil spring-pressed needle contact probe modules with offset needles
In a contact probe having a pair of needle members elastically projecting from two ends thereof for temporarily connecting two points by contacting them with the two needle members, a coil spring interposed between the needle member consists of material h...
05/09/1995
5410260Coil spring-pressed needle contact probe
In a contact probe, the conventional tubular holder for receiving the needle member and the compression coil spring is eliminated by receiving them in a through hole provided in an insulator assembly consisting of at least two layers of insulating plate m...
04/25/1995
5394099Electroconductive contact probe with intermediately supported, spring urged converging needles having parallel free ends
A contact probe unit includes a plurality of contact probes secured to a receptacle holder plate member, and a free end guide plate member provided with a plurality of guide holes for slidably receiving the needle members, at a density higher than that of...
02/28/1995
5295299Method for forming a mounting hole in a method for forming a metallic printed circuit board
To the end of forming a countersunk hole in a metallic printed circuit board consisting of a metallic plate, an insulating layer, and a printed circuit pattern formed on the insulating layer, for receiving a countersunk head of a mounting screw which is p...
03/22/1994
5185729Optical head with improved tracking and focusing error capabilities
An optical head for reading and/or writing information from and in an optical recording medium having an improved sensor structure for focusing and tracking error detections. A light beam is separated into a 0th-order diffraction light beam and &#b1;1st-o...
02/09/1993
 
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