Sugatsune Kogyo Co., Ltd.

Other

Fujitsu Corporation

Shinichiro Koshikawa

Kazuyoshi Oshima

Katsuya Imai

Hisamitsu Takagi

Kazuyoshi Ohshima

Ryo Niimi

Kazuyuki Ishigaya

Hiroshi Sudo

Kei Tsuruoka

Akira Sasaki

A movable member (not shown) non-turnably connected to a second hinge member is arranged on the turning axial line of first and second hinge members such that the movable member is turnable and movable in the direction of the turning axial line. The movable member is biased toward the first hinge member by a coiled spring (not shown). A confronting surface of the first hinge member with respect to the movable member is provided with a pair of raised wall surfacesextending in the direction of the turning axial line and end face camsarranged between the pair of raised wall parts, respectively. A confronting surface of the movable member with respect to the first hinge member is provided with a pair of abutment arm partsfor converting the biasing force of the coiled spring to a turn biasing force for turning the movable member by being press-contacted with the end face cam. A recessis formed in a lower part of the raised wall surface. A side surface of a lower side of this recessis provided as a part of the end face cam

Hinge device

A hinge pinis turnably inserted in a through holeformed in a first hinge member. A second hinge memberis fixed to the hinge pin. A movable memberis connected to the first hinge membersuch that said movable memberis non-turnable but movable in the axial direction. A convex partis formed on the movable member. A concave partis formed in a fixing memberof the second hinge member. By pressing the convex partagainst a bottom surfaceof the concave partunder the biasing force of a coiled spring, the biasing force of the coiled springcan be converted to a turn biasing force for turning the second hinge memberwith respect to the first hinge member. The hinge pinis press-fitted in the through-holeof the first hinge member. This causes to generate a frictional resistance for preventing relative rotation between the first hinge memberand the second member, between the inner peripheral surface of the through-holeand the outer peripheral surface of the hinge pin. This frictional resistance is set to be smaller than the turn biasing force caused by the coiled spring

A pair of projection elementsare formed on the opposite sides of an inner link. Each projection elementis formed with a cutout recess. A fitting shaft part, which is formed on each end of an abutment shaft, is inserted into the cutout recessthrough an open part thereof and turnably fitted to a bottom part of the cutout recess. A second abutment partof a coiled springis abutted with an enlarged-diameter partof the abutment shaft. The abutment shaftis biased towards the bottom side of the cutout recessfrom the open part side thereof by the coiled spring

Hinge with catch

A movable memberis connected to a first hinge membersuch that the movable memberis unable to turn but able to move in the axial direction. A hammer memberis non-turnably connected to a second hinge memberThe movable memberis caused to abutted against the hammer memberby a coiled spring (not shown). A force conversion mechanism (not shown) is disposed between contact surfaces of the movable memberand hammer memberand adapted to convert a biasing force of the coiled spring to a force for turning the hammer memberAn abutment projectionis formed on an outer periphery of the second hinge memberAn abutment recessinto which the abutment projectionis fitted is formed in an outer periphery of the hammer memberA widthof the abutment recessis set slightly larger than a width Wof the abutment projectionso that the hammer membercan be turned relative to the second hinge memberto that extent.

Hinge device and cell phone

A hinge assembly () used for a foldable cellular telephone, wherein a pair of abutment members () are forcibly rotated by the biasing force of a bias means () to a neutral position where the center parts of the projection () and the recess () of the abutment members are generally aligned with each other in circumferential direction, the projection is brought into contact with the recess at both side parts of the abutment members in circumferential direction when the pair of abutment members are rotated to the neutral position, and the outer surface of the projection and both side surfaces of the recess in circumferential direction should desirably be formed in an arcuate surface and an outwardly projecting arcuate surface, respectively.

Hinge assembly

Abutment projections ( ) of a resin-made driver member (not shown) are inserted in the opposite end portions of a key groove ( ) of a metal-made turnable member ( ) in the circumferential direction. A key portion (B ) of a receiving cylindrical portion is inserted between the abutment projections ( ). The interval between the abutment projections ( ) in the circumferential direction is set to be slightly larger than the width of the key portion (B ). By doing so, when a transmission section is turned into an open position or a closed position, the abutment projections ( ) and the key portion (B ) are collided with each other, thereby generating a click sound. Moreover, since both the abutment projections ( ) and the key portion (B ) are formed of resin, they can be prevented from getting worn out soon.

The present invention provides a hinge assembly ( ) in which a projection and a cam face for converting a biasing force of bias means ( ) into a turn biasing force for turning a turnable member ( ) disposed at one end portion of a hinge main body ( ) in one direction are disposed between the turnable member ( ) and a movable member ( ) disposed at the hinge main body ( ) in such a manner as to be non-turnable but movable in the axial direction, wherein a second movable member ( ) and a second turnable member ( ) are disposed at the other end portion of the hinge main body ( ), and a second projection and a second cam face for converting a biasing force of the bias means ( ) in the same direction as the above-mentioned turn biasing force are disposed between the second movable member ( ) and the second turnable member ( ). Since two converting portions for converting the biasing force of the bias means into a turn biasing force in the manner as mentioned above are provided, insufficiency of the turn biasing force never occurs.

A hinge assembly ( ) used for a foldable cellular telephone, comprising a pair of abutment members ( ), a bias means ( ) biasing the abutment members so that the abutment members are pressingly brought into contact with each other, a projection ( ) extending in the radial direction of one abutment member ( ), and a recess ( ) allowing the access of the projection thereto formed in the other abutment member ( ), wherein the recess ( ) is formed of an inside recess and an outside recess on the radial inner and outer sides of the other abutment member, and the inside recess is formed along the center line of the other abutment member and the outside recess is formed so that the width thereof is increased from the inside recess to the outside so that the side surface of the recess is generally formed in a dogleg-like configuration.

A pair of first conversion faces ( ) and a pair of second conversion faces ( ) are formed on the end face of a contact member ( ) with which a movable member (now shown) comes into contact. The first conversion faces ( ) are separated by 180 degrees from each other in the circumferential direction of the contact member ( ). The second conversion faces ( ) are separated by 180 degrees from each other in the circumferential direction of the contact member ( ), and at the same time separated from the first conversion faces ( ) by a predetermined angle. The movable member is equipped with a pair of pressing projections which come into contact with the first conversion faces ( ) when the cover rotates to its closed position and come into contact with the second conversion faces ( ) when the cover rotates to its open position.

A bottom portion is formed on an external end portion of a support sleeve portion 11 which is located on an external side, and an engagement recess is formed in an inner peripheral surface of a support sleeve portion which is located on an internal side. That end face of the engagement recess which faces the support sleeve portion side serves as an engagement surface . An engagement piece is formed on one end portion of a hinge body . The engagement piece is elastically deformed such that its distal end portion is displaced radially inward of the hinge body , thereby the engagement piece is allowed to extend beyond a bottom surface of a key groove . Thereafter, the engagement body is elastically restored such that its distal end portion is displaced radially outward of the hinge body , thereby the engagement piece is engaged with the engagement recess . Then, the engagement piece , when abutted with the engagement surface at its distal end face, prohibits the hinge body from escaping from the support sleeve portion

Elongate holes (34, 35) are formed respectively in a front end portion and in a rear end portion of a link member (30). One pair of engagement pins (41, 42) are movably pierced through the elongate holes (34, 35), respectively. A through-hole 52 is formed in a front end portion of a control member (50), and an elongate hole (53) is formed in the rear end portion. An engagement pin (41) is pierced through the through-hole (52). The control member (50) is pivotably linked to the link member (30) through the engagement pin (41). The engagement pin (42) is movably pierced through the elongate hole (53). The elongate hole (35) is inclined at the same angle as the engagement recess (17), The elongate hole (53) is formed in a horizontal posture.

Growing community of inventors

Yokaichiba, Japan

Shinichiro Koshikawa