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2. 发明专利

JPS5697681A SURGING PREVENTION VALVE FOR FLUID PRESSURE LOCKING DEVICE 失效
公开(公告)号：JPS5697681A
公开(公告)日：1981-08-06
申请号：JP13787380
申请日：1980-10-03
申请人： PORTER CO P L
发明人： KURAIDO ROBAATO POOTAA
IPC分类号： F16K47/00 , A47C1/02 , A47C1/024

3. 发明专利

JPH05197436A LINEAR MECHANICAL LOCKING BODY HAVING ONE-PIECE TYPE LOCKING BODY HOUSING 失效
公开(公告)号：JPH05197436A
公开(公告)日：1993-08-06
申请号：JP18289892
申请日：1992-06-18
申请人： PORTER CO P L
发明人： KURAIDO ROBAATO POOTAA , JIYOOJI BUII BABISHIUKU
IPC分类号： G05G5/06 , B60N2/90 , F16B7/14 , G05G1/00
摘要： PURPOSE: To simplify assembling of a linear mechanical locking body, to improve the precision, and to reduce the number of parts. CONSTITUTION: A flat housing material 28 includes two parallel shell half bodies 66a and 66b which are semicylindrically curved and have upper surfaces 86 formed, to concaves and are connected along a hinge line 68. Support faces demarcated by projection elements 54 to 64 subjected to embossing project from side faces of cancaves of shell half bodies.

4. 发明专利

JPH0262408A MECHANICAL LINEAR LOCKING BODY HAVING LOCKING CHARACTERISTIC HAVING REDUNDANCY 失效
公开(公告)号：JPH0262408A
公开(公告)日：1990-03-02
申请号：JP12164989
申请日：1989-05-17
申请人： PORTER CO P L
发明人： AKIRA TANAKA , JIMII CHIENMIN RII , JIYON AARU MICHIERU
IPC分类号： B60N2/08 , B60N2/90 , B61D33/00 , F16B1/00 , F16B1/02 , G05G5/12 , G05G5/24
摘要： PURPOSE: To obtain positive fail-safe type redundancy by detaching a toothed rack means from a rod by a lever means prior to loosening a coil spring means gripping the rod in a lock for an automobile seat. CONSTITUTION: A rod 16 axially movable piercing a lock housing 12 in a normal state is restrained from axial movement by a locking coil spring 22 having such an inner diameter as to grip the rod 16. When a lock release lever 30 is actuated, a tubular bush 28 is rotated, and a cam protruding part 52 rotates a claw release lever 46 counterclockwise around a pivot 48 and further rotates a backup clutch mechanism claw 32 clockwise around a shaft 34 to separate a claw 36 from a V-groove 19 of the rod 16. At the same time, the locking coil spring 22 is rewound by the further rotation of the tubular bush 28, and the rod 16 is released from the grip to free the rod 6 for axial movement. A seat can therefore be adjusted easily and positively.

5. 发明专利

JPS6456011A OVERRIDE FOR POWER RECLINING SEAT SCREW JACK 失效
公开(公告)号：JPS6456011A
公开(公告)日：1989-03-02
申请号：JP6991988
申请日：1988-03-25
申请人： PORTER CO P L
发明人： DEIBITSUDO JIEI BATSUKA
IPC分类号： A47C1/024 , B60N2/23
摘要： PURPOSE: To provide an inexpensive manual override with reliability by providing a stopper means for axially moving a screw through a housing, and a release means for disengaging the stopper means to carry a nut with the screw. CONSTITUTION: This manual override comprises a housing 26 freely installed in a part of a seat 12 or a backrest part 16, a screw 46 freely installed in the other end of the seat or the above part 16, a nut 40 screw-fitted to the screw 46, a stopper means 52 for normally fixing the nut 40 to the housing 26, in which the screw 46 is power-driven to move in the axial direction through the housing, and a freely manual-operated release means 60 for disengaging the means 52 to put the nut 40 with the screw 46 in the free state through the housing. The relative position between the part 16 and the seat is freely controlled by rotating the screw 46 and the nut 40 fixed to the housing 26, or rectilinearly moving the nut 40 released from the housing 26 with the screw 46 through the housing 26.

6. 发明专利

JPH1028623A PUSH-BUTTON REMOTE CONTROL DEVICE 失效
公开(公告)号：JPH1028623A
公开(公告)日：1998-02-03
申请号：JP8551997
申请日：1997-03-21
申请人： PORTER CO P L
发明人： STRINGER CALVIN R
IPC分类号： A47C1/024 , B60N2/75 , B64D11/06
摘要： PROBLEM TO BE SOLVED: To miniaturize a push-button remote control device, and to use it together with a narrow armrest by forming both the lever and the lower end of a plunger in a fork shape, and also by fitting the end of the sleeve to a frame in a position higher than the lowest end of the stroke of the plunger. SOLUTION: A horizontal arm 48 of a lever is branched in a fork shape by a perpendicular slot 56 of the lever so as to have two legs. A plunger 35 is likewise brached in a fork shape along the perpendicular plane to form two parallel prongs partitioned by a perpendicular slot 60. In the normal position of a control system, a cam end 38 of the plunger 35 is positioned above the exposed part 86 of a wire, and the slot 60 of the plunger is aligned along the perpendicular plane with the slot 56 of the lever. The cam contact region between the plunger end part 38 and the cam periphery 42 of the lever moves within the vertical plane intersecting with the exposed part 86 of the wire during the descending stroke of the plunger 35. Initial cam contact occurs above the exposed part 86 of the wire, and moves to the lower part of the exposed part 86 in the perfect depressed position.

7. 发明专利

JPH079901A HIGHLY ACCURATE LINEAR MACHINE TYPE LOCK 失效
公开(公告)号：JPH079901A
公开(公告)日：1995-01-13
申请号：JP14700294
申请日：1994-06-07
申请人： PORTER CO P L
发明人： PORTER CLYDE ROBERT , STRINGER CALVIN RAY
IPC分类号： B60N2/22 , B60N2/02 , B60N2/23 , B60N2/90 , E05B55/00 , F16B2/18 , F16B7/14
摘要： PURPOSE: To provide a linear lock facilitating manufacture and assembling, improving precision of a lock assembly, and attaining smooth and rapid lock operation. CONSTITUTION: This lock comprises an upper housing element 124 having slots 132, a U-shaped lower housing element 116 having tabs 30 to be inserted through the slots 132, and an adjustment plate 134 having slots 136 to be aligned with the slots 132 for the purpose of insertion of the tabs 30. The upper housing element 124, the lower housing element 116 and the adjustment plate 134 are combined to house an assembly of a release lever-equipped sleeve 46, a rod 12 and springs 32, 34.

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