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31. 发明专利

JPH04108012A SUSPENSION ARM IN VEHICLE SUSPENSION DEVICE 失效
公开(公告)号：JPH04108012A
公开(公告)日：1992-04-09
申请号：JP22541490
申请日：1990-08-29
申请人： TOYOTA MOTOR CORP
发明人： NISHIO MASAHIRO
IPC分类号： B60G3/28 , B60G3/10 , B60G7/02 , B60G11/08 , F16F1/18
摘要： PURPOSE:To eliminate the possibility of occurrence of a shearing force caused by a longitudinal force by coupling both ends of main arm laid crosswise of a vehicle and formed of a leaf spring, and both ends of an auxiliary arm laid obliquely or longitudinally of the vehicle and having a rigidity higher than that of the main arm, respectively to specific parts. CONSTITUTION:A suspension arm 10 constituting a vehicle suspension device 12, includes a main arm 14 and an auxiliary arm 16. Further, the main arm 14 is formed of a leaf spring, having its one end coupled to a vehicle body 34, rotatably about an axis extending vertically, and its outer end coupled to a wheel support member 18. Further, the auxiliary arm 16 is laid obliquely or longitudinally of the vehicle body 34, having a rigidity which is higher than that of the main arm, and having its one end coupled to the main arm 14, rotatably about an axis extending vertically, and the other end coupled to the vehicle body 34 through the intermediary of a resilient cylindrical bushing 44 whose axis extends vertically.

32. 发明专利

JP2002275538A METHOD AND DEVICE FOR HEAT TREATMENT OF STEEL 失效
公开(公告)号：JP2002275538A
公开(公告)日：2002-09-25
申请号：JP2001074465
申请日：2001-03-15
申请人： TOYOTA MOTOR CORP
发明人： NISHIO MASAHIRO , AKIYAMA MITSUTOSHI
IPC分类号： F16F1/14 , C21D1/09 , C21D1/10 , C21D1/18 , C21D9/28
摘要： PROBLEM TO BE SOLVED: To easily set the direction of residual compressive stress given to steel to be the same as that of the stress exerted in the steel, and to improve the dimensional accuracy by suppressing the distortion. SOLUTION: The steel is twisted in a range in which no plastic deformation is generated, a part with the tensile stress exerted in the state is heat-treated, and untwisted after the cooling. The total of the difference of the residual tensile stress subtracted from the tensile stress exerted in the heat-treated part, and the stress added by the stress generated when a non-treated part is restored to an original shape by elasticity is remained as the compressive stress. The residual compressive stress in the steel is balanced by this treatment in the forward and reverse directions.

33. 发明专利

JP2002036912A INDICATOR LIGHTING DEVICE 失效
公开(公告)号：JP2002036912A
公开(公告)日：2002-02-06
申请号：JP2000224845
申请日：2000-07-26
申请人： TOYOTA MOTOR CORP , KOJIMA PRESS KOGYO KK
发明人： NISHIO MASAHIRO , KAMIMURA SHINICHI , MITSUYASU HIROYUKI
IPC分类号： B60K35/00 , G09F13/04
摘要： PROBLEM TO BE SOLVED: To provide a lighting device to light a plurality of mark sections of an indicator using a single bulb to obtain a uniform brightness. SOLUTION: Light emitted from the bulb 18 is guided by a light guide plate 22 to the respective mark section. The light guide plate 22 which is located near the bulb 18 is consisted of two planar form lenses 24, 26 to reduce the brightness of the mark section in proximity to the bulb 18. Each lens has corrugated surfaces 28, 30 with grooves formed in parallel. The grooves of two corrugated surfaces extend in the direction orthogonal with each other. Light from the bulb 18 is diffused by the two planar form lenses 24, 26 into two steps 24, 26 in different directions, and the brightness of the mark section in the proximity to the bulb 18 can be reduced. Thus, the brightness with other sections is made even.

34. 发明专利

JP2000168388A SHIFT LEVER GUIDE FOR VEHICLE 失效
公开(公告)号：JP2000168388A
公开(公告)日：2000-06-20
申请号：JP34837998
申请日：1998-12-08
申请人： TOYOTA MOTOR CORP , KOJIMA PRESS KOGYO KK
发明人： NISHIO MASAHIRO , KAMIMURA SHINICHI
IPC分类号： B60K20/02 , F16H59/08 , F16H59/10
摘要： PROBLEM TO BE SOLVED: To prevent wrong operation of a shift lever by a simple method. SOLUTION: A position [N] which is a tip end of a second straight line part 176 is set to a vehicle forward side by dimension a from a second corner [(N)] which is a rear end of a fourth straight line part 180, the second straight line part 176 and a third straight line part 178 are connected at an acute angle, also width dimension b of a connection gate 204 is narrower than width dimension D of a cut hole 166, and going excessively to a position [R] by mistake is prevented in the case of operating a shift lever to the position [N] from a position [S].

35. 发明专利

JPH06179314A REAR SUSPENSION DEVICE FOR VEHICLE 失效
公开(公告)号：JPH06179314A
公开(公告)日：1994-06-28
申请号：JP35359192
申请日：1992-12-14
申请人： TOYOTA MOTOR CORP
发明人： FUJIOKA YASUO , SHIMATANI HIROYUKI , HAGIWARA SHINICHIRO , NISHIO MASAHIRO , MORITA YASUHIRO
IPC分类号： B60G3/18 , B60G7/00 , B62D17/00
摘要： PURPOSE:To cause a rear suspension device to make an effective toe-in variation when force pointed to the rearward of a vehicle acts upon a carrier. CONSTITUTION:This rear suspension device is equipped with a front suspension arm 66 and a rear suspension arm 68, which are pivotally attached to a carrier 60 at their outer ends and whose inner ends are secured to a body elastically variably in the vertical direction and made of FRPs the orientations of whose reinforced fibers are mutually different. This device is constituted in such a manner that the front suspension arm may have its length in the lateral direction of the vehicle reduced by virtue of cross elasticiy effect of the FRP when force acts upon the carrier in the rear direction of the vehicle and the rear suspension arm may, on the contrary, have its length in the lateral direction of the vehicle increased by virtue of cross elasticity effect of the FRP when force acts upon the carrier in the rear direction of the vehicle.

36. 发明专利

JPH0466314A SUSPENSION OF TRAILING ARM TYPE 失效
公开(公告)号：JPH0466314A
公开(公告)日：1992-03-02
申请号：JP17734890
申请日：1990-07-06
申请人： TOYOTA MOTOR CORP
发明人： NISHIO MASAHIRO
IPC分类号： B60G9/02 , B60G11/04
摘要： PURPOSE:To reduce the number of parts and prevent a car body rear part from being lifted upon braking operation by providing a trailing arm composed of leaf spring and a link coupled to moving part of shock absorber and wheel support member so as to swing freely. CONSTITUTION:A member for supporting wheels 16 is suspended by trailing arms 12. A shock absorber 16 is arranged at each end of the support member 10 and connected to the support member 10 and car body 18 so as to swing freely. The arm 12 is composed of leaf spring. A link 20 is coupled to a part 24 of shock absorber 16 moving together with the support member 10 and the support member 10 through bush members so as to swing freely. A lateral rod 32 is coupled to the support member 10 and the car body 18 to control lateral displacement of the support member 10. When rotating force is applied to the arm 12 upon braking operation, the movement of side end part of the support member 10 is restrained by the link 20 accordingly.

37. 发明专利

JP2001304407A SHIFT LEVER DEVICE 失效
公开(公告)号：JP2001304407A
公开(公告)日：2001-10-31
申请号：JP2000125208
申请日：2000-04-26
申请人： KOJIMA PRESS KOGYO KK , TOYOTA MOTOR CORP
发明人： KAMIMURA SHINICHI , NISHIO MASAHIRO
IPC分类号： B60K23/00 , B60K20/02 , B60K20/04 , F16H59/08 , F16H61/34
摘要： PROBLEM TO BE SOLVED: To provide a shift lever device capable of attaining compactness in a right/left direction of a vehicle. SOLUTION: This shift lever device has a housing 10 provided with a guide hole 11, a shift lever 20 made capable of rocking in a forward/backward and right/left direction of a vehicle, a slide cover 30 extended in a right/left direction of the vehicle to have a first slot 31 inserting the shift lever and first/second pins 32, 33 protruded toward downward to close the guide hole 11, and a rotary cover 40 extended in a direction crossing with the first slot 31 to have a second slot 41 inserting the shift lever 20 to have a first engaging hole 42 engaged with the first pin 32 and a second engaging hole 43 engaged with the second pin 33 to close the first slot 31.

38. 发明专利

JP2000144238A METHOD FOR QUENCHING COATED STEEL MATERIAL 失效
公开(公告)号：JP2000144238A
公开(公告)日：2000-05-26
申请号：JP32561798
申请日：1998-11-16
申请人： TOYOTA MOTOR CORP
发明人： MIYAMOTO NORITAKA , ONISHI MASAZUMI , NISHIO MASAHIRO
IPC分类号： C23C18/52 , C21D1/18 , C23C2/26 , C25D5/48
摘要： PROBLEM TO BE SOLVED: To provide a quenching method of a coated steel material, in which the damage of the coating layer of plated layer, etc., can be restrained and it is profitable to secure the original function of the coating layer of the plated layer, etc. SOLUTION: When the quenching treatment is applied to the coated steel material closely sticking the coating layer having lower m.p. or b.p. than that of the steel material on the steel material, the steel material is heated to the quenching temp. and cooled so that the basic structure of the steel material after quenching becomes the co-existing structure of ferrite and martensite. In this way, the transformation strain with the quenching treatment is restrained, and the damage, such as peeling of the coating layer, is restrained.

39. 发明专利

JP2000144236A HIGH FREQUENCY INDUCTION HEATING COIL 失效
公开(公告)号：JP2000144236A
公开(公告)日：2000-05-26
申请号：JP31257298
申请日：1998-11-02
申请人： TOYOTA MOTOR CORP
发明人： NISHIO MASAHIRO , MIYAMOTO NORITAKA
IPC分类号： C21D1/10 , C21D1/42 , H05B6/10
摘要： PROBLEM TO BE SOLVED: To provide a high frequency induction heating coil which is favorable for stabilizing magnetic characteristics of a magnetic-permeability core, and also favorable for prolonging the service life of the core. SOLUTION: In this high frequency heating coil 1 provided with a magnetic- permeability core 3 to improve the induction heating efficiency for an object to be heated, a water-holding member 5 is arranged in contact with or close to the core 3 so that the core 3 is cooled by holding a cooling water in the water-holding member 5. A heat insulating material is provided at the side of the core 3 nearer to the object.

40. 发明专利

JPH06344742A SUSPENSION SYSTEM FOR VEHICLE 失效
公开(公告)号：JPH06344742A
公开(公告)日：1994-12-20
申请号：JP13818293
申请日：1993-06-10
申请人： TOYOTA MOTOR CORP , NHK SPRING CO LTD
发明人： NISHIO MASAHIRO , HIROMOTO SHUJI
IPC分类号： B60G17/015
摘要： PURPOSE:To make such control as stabilizing the position of a car body achievable with one type sensor. CONSTITUTION:Four spring arms 20, 21, 70 and 71 made of fiber reinforced plastics are installed in an interval between members 36, 61 at the wheel side and other members at the car body side. Likewise four variable suspension units 40, 41, 65 and 66 with a shock absorber function each are installed in an interval between the members 35, 61 at the wheel side and the 36, 63 at the car body side. These variable suspension units 40, 41, 65, and 66 are designed so as to make each damping force selectable. In addition, each of sensors 55, 56, 75 and 76 detecting each strain is installed in these spring arms 20, 21 70 and 71. Moreover, a control unit 81 calculates the extent of displacement and acceleration or the like in these spring arms 20, 21, 70 and 71, and thereby operating the variable suspension units 40, 41, 65 and 66 in a direction of stabilizing the position of a car body on the basis of the calculated result.

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