Transmission using ball and screw mechanical actuators

Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission... – Nonplanetary transmission is belt or chain gearing

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Details

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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