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
1992-04-29
1993-12-28
Britts, Ramon S.
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...
474151, 474159, 51135BT, 51170EB, F16H 722
Patent
active
052734935
ABSTRACT:
A tracking device for endless belts moves on a pair of rollers--a driving roller (RM) and a tension roller (1)--especially for an emery cloth belt (TS) moving on the cantilevered rollers (1, RM) of a belt sander (S) for wooden floors. The tension roller (1) is formed in two parts: a minor portion (3), close to a support (5) of the roller shaft (2), mounted--rotatable but not inclinable in respect of said shaft--onto an eccentric rotary sleeve (11), its part closest to the support (5) being of frustoconical shape; and a major portion (4), mounted revolving on a bush (12) coaxial to the roller shaft (2) and inclinable on a ball joint (13) but not rotatable in respect of the shaft. A unilateral contact ball constraint (15) is moreover provided between the sleeve (11) and the bush (12), and at least one spring (16) is provided to cause the inclination of the bush (12) in respect of the roller shaft ( 2) in the direction allowed by the constraint (15).
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Britts Ramon S.
Schoeppel Roger J.
Unibase S.p.A.
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