Transmission using ball and screw mechanical actuators

Details Transmission using ball and screw mechanical actuators Transmission using ball and screw mechanical actuators

1989-12-28

1991-10-01

Herrmann, Allan D.

Planetary gear transmission systems or components

Nonplanetary variable speed or direction transmission...

Nonplanetary transmission is belt or chain gearing

744248NA, 474 29, F16H 926, F16H 2522

Patent

active

050529900

ABSTRACT:
A transmission provided in a power transmitting system and having at least a transmission mechanism and a forward/reverse rotation changeover mechanism controlled on the basis of signals from a control section. The transmission includes a plurality of mechanical actuators (e.g., ball screw mechanisms) capable of converting torques into thrust forces to operate the transmission operation mechanisms by the thrust forces, a motor (e.g., an electric motor) serving as a common torque generation source for the mechanical actuators, a divergence mechanism for distributing and transmitting a torque from the motor to the mechanical actuators, and a changeover mechanism for transmitting the torque distributed from the divergence mechanism to at least one of the mechanical actuators.

REFERENCES:
patent: 3190414 (1965-06-01), Maurer et al.
patent: 3850050 (1974-11-01), Lemmens
patent: 4549447 (1985-10-01), Sakakibara
patent: 4585115 (1986-04-01), Lindblom et al.
patent: 4735598 (1988-04-01), Moroto et al.
patent: 4790212 (1988-12-01), Sibeud
patent: 4895236 (1990-01-01), Sakakibara et al.

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