Apparatus and method for prestretching and tensioning flexible d

Details Apparatus and method for prestretching and tensioning flexible d Apparatus and method for prestretching and tensioning flexible d

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.

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