Electricity: motive power systems – Limitation of motor load – current – torque or force
Patent
1991-08-27
1993-03-23
Ro, Bentsu
Electricity: motive power systems
Limitation of motor load, current, torque or force
318362, 318433, 157 11, B60C 2505
Patent
active
051967723
ABSTRACT:
Apparatus for fitting a motor vehicle tire on a disc wheel comprises a tire fitting tool mounted rotatably about an axis, an electric drive motor to drive the tire fitting tool about the axis, a current supply means for the drive motor, and a torque limiting means to terminate the rotary drive to the motor when a predetermined torque transmitted to the tire fitting tool is exceeded, thereby to protect the tire from overloading in the fitting operation.
REFERENCES:
patent: 4002960 (1977-01-01), Brookfield et al.
patent: 4210852 (1980-07-01), Gustavson
patent: 4661752 (1987-04-01), Nishikawa et al.
patent: 4677356 (1987-06-01), Tsuneda et al.
patent: 4947919 (1990-08-01), Timlin
patent: 4986328 (1991-01-01), Metzger
patent: 4999552 (1991-03-01), Seipelt
patent: 5059879 (1991-10-01), Watanabe
Kupka Heinz
Ronge Heinz
Hofmann Maschinenbau GmbH
Ro Bentsu
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