Electronic shifter

Details Electronic shifter Electronic shifter

1990-08-15

1991-11-26

Ro, Bentsu

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318286, 318466, 74473R, B60K 2000

Patent

active

050685830

ABSTRACT:
A shifter (10) comprises control electronics (20) which eliminate mechanical switches, providing increased reliability. The shift mechanics include a double-spring (28,30) disposed between a spring guide (32). The springs are compressed responsive to a driving screw (36) under control of a bidirectional motor (12). The motor (12) is controlled by the control electronics (20).

REFERENCES:
patent: 3858674 (1975-01-01), Tabor
patent: 3894442 (1975-07-01), Hembree
patent: 4096418 (1978-06-01), Marumoto et al.
patent: 4155068 (1979-05-01), Zajichek
patent: 4449416 (1984-05-01), Huitema
patent: 4660430 (1987-04-01), Bortfeld et al.
patent: 4785615 (1988-11-01), Leigh-Monstevens
patent: 4793458 (1988-12-01), Shealy
patent: 4827148 (1989-05-01), Hirosawa et al.
patent: 4937749 (1990-06-01), Dunkley et al.
patent: 4938088 (1990-07-01), Langley et al.

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