Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – With sensor for controlling operation of shifter to correct...
Patent
1984-04-30
1986-11-11
Leppink, James A.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
With sensor for controlling operation of shifter to correct...
474109, 254228, F16H 710
Patent
active
046220240
ABSTRACT:
Apparatus and a method is disclosed herein whereby flexible drive members such as for example conventional V-belts may be automatically prestretched and tensioned to a particular predetermined value with both a high degree of reliability and repeatablity. The apparatus comprises a sensor for continuously monitoring the actual tension on the flexible member and providing a signal to a central control unit. A force generating apparatus is also interconnected with the central control unit and operates to exert a force such as to increase or decrease the tension to which the flexible member is subjected. Wrench means may also be provided which are connected to the central control unit and actuated thereby so as to lock the movable pulley member or the like in position once the predetermined tension has been achieved on the flexible interconnecting member.
REFERENCES:
patent: 3638781 (1972-02-01), Comley
patent: 3823614 (1974-07-01), Fava et al.
patent: 4283181 (1981-08-01), Sproul
patent: 4283182 (1981-08-01), Kraft
patent: 4284192 (1981-08-01), Taylor
patent: 4437648 (1984-03-01), Thorn et al.
patent: 4478595 (1984-10-01), Hayakawa et al.
Dominion Tool & Die Company
Kisliuk Bruce M.
Leppink James A.
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