Incremental or absolute rotation encoder with a clamping device

Details Incremental or absolute rotation encoder with a clamping device Incremental or absolute rotation encoder with a clamping device

1987-11-25

1989-02-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

G01D 534

Patent

active

048067520

ABSTRACT:
An incremental or absolute rotation encoder with a clamping device for connecting the encoder shaft to the drive shaft of a drive unit by means of a radial clamping action. A clamping element with a first sliding surface which is inclined relative to the axis of the encoder shaft is provided resting against a corresponding second inclined sliding surface at the end of the encoder shaft facing the connection with the drive shaft. An actuating element is capable of acting on the clamping element in axial direction. Since the two inclined surfaces rest slidingly on each other, the clamping element and the end of the encoder shaft are pressed in opposite radial directions against the drive shaft.

REFERENCES:
patent: 3789218 (1974-01-01), Blount
patent: 4386270 (1983-05-01), Ezekiel
patent: 4652746 (1987-03-01), Fenske et al.

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