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51. 发明授权

US5093552A Method of preventing mis-emission of a laser beam in a laser robot 失效
标题翻译：在激光机器人中防止激光束的发射的方法
公开(公告)号：US5093552A
公开(公告)日：1992-03-03
申请号：US635492
申请日：1991-01-02
申请人： Nobutoshi Torii , Susumu Ito , Akihiro Terada
发明人： Nobutoshi Torii , Susumu Ito , Akihiro Terada
IPC分类号： B25J19/06 , B23K26/08 , B23K26/10 , B23K26/42 , G05B19/4063 , H01S3/104
CPC分类号： B23K26/0884 , B23K26/702 , G05B19/4063 , H01S3/104
摘要： A laser-beam mis-emission preventing method capable of improving safety of a laser robot. Upon supply of power to the laser robot, a processor of a robot control unit (10) compares a predetermined value with an angle (.delta.) formed between a horizontal plane (XY plane) and an axis (8a) of a laser nozzle (8) and computed based on joint angles (W, U, r, .beta.) (S1-S3). When the laser nozzle angle (.delta.) is less than the predetermined value, an interlock signal delivered to the laser oscillator (30) is set to turn off the power of the laser oscillator, thereby bringing the laser oscillator into a condition incapable of laser oscillation (S5). This prevents mis-emission of the laser beam which occurs due to deficiency of a robot operating program, erroneous manual operation, etc., and which can damage the human body or peripheral devices.

52. 发明授权

US5085619A Dual pinion anti-backlash tensioner for a robot 失效
标题翻译：机器人的双PIN抗反击拉伸机
公开(公告)号：US5085619A
公开(公告)日：1992-02-04
申请号：US602226
申请日：1990-10-30
申请人： Nobutoshi Torii , Susumu Ito , Akihiro Terada
发明人： Nobutoshi Torii , Susumu Ito , Akihiro Terada
IPC分类号： B25J17/00 , B25J9/04 , B25J9/10 , B25J17/02 , F16H57/12
CPC分类号： B25J9/1045 , B25J17/0241 , B25J9/103 , F16H57/12 , F16H2057/121 , Y10T74/19623
摘要： A joint structure for an industrial robot is provided with a gear transmission mechanism to drive movable robot element, such as a swivel body (14), of an industrial robot. The joint structure comprises a driven gear (26) connected to the movable robot element, two drive pinions (28, 30) in mesh with the driven gear (26), respectively, at different positions on the driven gear (26), a belt transmission mechanism (28a, 30a, 32) operatively connecting the two drive pinions (28, 20), a tensioner (36) for adjusting the tension in the power transmission belt (32) of the belt transmission mechanism (28a, 30a, 32), and a rotative drive source (34) connected to one (28) of the two drive pinions (28, 30). The position of the tensioner (36) is adjusted to adjust the tension in the power transmission belt (32), to thereby eliminate backlash between the respective meshing teeth of the two drive pinions (28, 30) and the driven gear (26), by pressing the respective teeth of the drive pinions (28, 30) against the corresponding teeth of the driven gear (26), respectively, in opposite directions.

53. 发明授权

US4907467A Structure of first arm of industrial robot having articulated horizontal arms 失效
标题翻译：具有铰接水平臂的工业机器人的第一臂的结构
公开(公告)号：US4907467A
公开(公告)日：1990-03-13
申请号：US246825
申请日：1988-08-12
申请人： Kenichi Toyoda , Nobutoshi Toril , Ryo Nihei , Akihiro Terada
发明人： Kenichi Toyoda , Nobutoshi Toril , Ryo Nihei , Akihiro Terada
IPC分类号： B25J9/06 , B25J9/04 , B25J19/00 , H02K7/102 , H02K7/20
CPC分类号： B25J9/042 , B25J19/0004 , Y10T74/20317
摘要： Provided is a compact first arm (12) of an industrial robot having articulated horizontal arms, which first arm has a direct drive motor (19), an electromagnetic brake (25), and a rotary encoder (34, 36) disposed close to each other concentrically between the first arm (12) and a base post (10) supporting the first arm (12), and has another direct drive motor (39), another electromagnetic brake (45), and another rotary encoder (54, 56) disposed close to each other concentrically between the first arm (12) and a second arm (14) rotatably supported by the first arm (12).

54. 发明授权

US4903539A Direct-drive-type multi-articulated robot 失效
标题翻译：直驱型多关节机器人
公开(公告)号：US4903539A
公开(公告)日：1990-02-27
申请号：US275180
申请日：1988-09-27
申请人： Kenichi Toyoda , Nobutoshi Torii , Ryo Nihei , Akihiro Terada , Jun Kikuchi
发明人： Kenichi Toyoda , Nobutoshi Torii , Ryo Nihei , Akihiro Terada , Jun Kikuchi
IPC分类号： B25J9/06 , B25J9/04 , B25J9/12 , B25J19/00
CPC分类号： B25J19/0004 , B25J9/042 , B25J9/126 , Y10T74/20305
摘要： A direct-drive-type multi-articulated robot comprising: a stationary support shaft (14), a cylindrical rotary casing (16) surrounding the stationary support shaft (14), a first robot arm (18) joined to the upper end (16a) of the rotary casing (16), a second robot arm (20) pivotally joined to the extremity of the first robot arm (18), a direct-drive motor (M.theta.) interposed between the lower end of the rotary casing (16) and the lower end of the stationary support shaft (14) to drive the rotary casing (16) and the first robot arm (18) together for turning motion, a brake gear (24) interposed between the upper end (14a) of the stationary support shaft (14) and the first robot arm (18) to arrest the turning motion of the first robot arm (18), and an encoder (26) for detecting turning motion, interposed between the upper end (14a) of the stationary support shaft (14) and the first robot arm (18).

55. 发明授权

US4750858A Wrist assembly for an industrial robot 失效
标题翻译：工业机器人手腕组件
公开(公告)号：US4750858A
公开(公告)日：1988-06-14
申请号：US768537
申请日：1985-08-19
申请人： Seiichiro Nakashima , Kenichi Toyoda , Akihiro Terada
发明人： Seiichiro Nakashima , Kenichi Toyoda , Akihiro Terada
IPC分类号： B25J17/02 , B66C1/00
CPC分类号： B25J17/0258
摘要： The two-axes wrist assembly of the chain-drive system for an industrial robot has a base wrist unit (12) disposed on one side of the robot arm (11). A hollow shaft (13) is fixed at one end thereof to the base wrist unit and is supported at the same end on one side wall of the free end of the robot arm so as to be rotatable about a first axis (.beta.) intersecting the longitudinal axis of the robot arm at right angles. The other end of the hollow shaft is positioned opposite to the inner surface of the other side wall of the free end of the robot arm. A fore wrist unit (16) is supported on the base wrist so as to be rotatable about a second axis (.alpha.) intersecting the first axis at right angles. A through shaft (17) is provided rotatably within and coaxially with the hollow shaft. The fore wrist unit is interlocked with the hollow shaft by a pair of bevel gears (18, 19). A first sprocket (22) is provided on the other end of the hollow shaft coaxially with the same within the free end of the robot arm. A second sprocket (23) is disposed provided on and coaxially with the through shaft adjacent to the first sprocket within the free end of the robot arm. The first and second sprockets engage first an second chains (26, 27) for power transmission, respectively.
摘要翻译： PCT No.PCT / JP84 / 00623 Sec。 371日期1985年8月19日 102（e）日期1985年8月19日PCT提交1984年12月27日PCT公布。公开号WO85 / 02808 日期：1985年7月4日。用于工业机器人的链驱动系统的双轴腕部组件具有设置在机器人手臂（11）一侧的基座腕部（12）。空心轴（13）的一端固定在基座腕部上，并在同一端支撑在机器人手臂的自由端的一个侧壁上，以便围绕与第一轴机器人臂的纵向轴线成直角。空心轴的另一端与机器人臂的自由端的另一侧壁的内表面相对定位。前腕部（16）被支撑在基部手腕上，以能够以与第一轴成直角相交的第二轴线（α）旋转。通孔（17）可旋转地设置在空心轴内并且与中空轴同轴。前腕单元通过一对锥齿轮（18,19）与中空轴互锁。第一链轮（22）在与机器人臂的自由端内同轴的空心轴的另一端上设置。第二链轮（23）设置在与机器人臂的自由端内的与第一链轮相邻的贯穿轴同轴的同轴上。第一和第二链轮分别与用于动力传递的第二链条（26,27）接合。

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