Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Tension adjuster has surface in sliding contact with belt
Patent
1981-05-07
1984-01-10
Herrmann, Allan D.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Tension adjuster has surface in sliding contact with belt
185 37, F16H 708, F03G 110
Patent
active
044251041
ABSTRACT:
A tension providing device is adapted to change a rotation force due to a spring torque of a shaft to a pushing force in the direction of an axial line of a piston. At one end of the above shaft, a split groove is formed, and at a position corresponds to an axial center of the shaft attached to a lid of a casing body which forms an outer shell of said device, a penetrated hole having an appropriate size and shape is provided. The rotation of the shaft is locked or unlocked by a stopper member latched with said split groove and said penetrated hole removably. Further, said locking mechanism is adapted to perform winding the spring and pulling back the piston into the device by the rotation of the shaft through the penetrated hole of said lid without removing the lid of the casing using an appropriate tool.
REFERENCES:
patent: 1988421 (1935-01-01), McCann et al.
patent: 3111039 (1963-11-01), Peras
patent: 3120291 (1964-02-01), Nicholas et al.
patent: 3830114 (1974-08-01), Daines
Herrmann Allan D.
NHK Spring Co. Ltd.
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