Shiftable transmission with assured input-output relationship

Details Shiftable transmission with assured input-output relationship Shiftable transmission with assured input-output relationship

1985-04-15

1988-02-23

Wright, Dirk

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74335, 74342, 408 9, 409231, B60K 4118, B60K 2010, F16H 322

Patent

active

047262605

ABSTRACT:
A shiftable transmission drive with assured input-output relationship includes a drive motor-transmission mechanism wherein a drive motor drives an output shaft at different rates through a shiftable transmission, and wherein the output shaft is always connected with the drive motor through the shiftable transmission. The output shaft is thus always under control and its position precisely known. The shift position of the gears is known. Shifting is directed at predetermined positions by a microprocessor when the transmission is stopped or at low speeds of rotation. The drive is a direct drive or alternatively a gear ratioed drive.

REFERENCES:
patent: 2911841 (1959-11-01), Miller
patent: 3124998 (1964-03-01), Raehrs
patent: 3429224 (1969-02-01), Osburn
patent: 3631945 (1972-01-01), Ollearo
patent: 3893371 (1975-07-01), Frazier
patent: 4124327 (1978-11-01), Yoshida et al.
patent: 4443137 (1984-04-01), Albrent et al.
patent: 4449866 (1984-05-01), Lohenis
patent: 4540318 (1985-09-01), Hornung et al.

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