Controller for electric traction motor

Details Controller for electric traction motor Controller for electric traction motor

1981-02-27

1982-12-28

Mitchell, David M.

Motor vehicles

Manually actuated controlling devices

180273, 192 9, 200153LA, G05G 1100

Patent

active

043656870

ABSTRACT:
A controller (10) for the traction motor of an industrial truck comprises an actuator spool (56) which is axially shiftable by a manual selector member (12) for actuating a plurality of control switches (44,46,48). The controller comprises a unitary body (24) with a first passage (62) for slidably supporting the actuator spool (56) and a second passage (203) which is orthogonally related to the first passage for slidably supporting an actuator plunger (202) for a speed control member (222). A box (26) is mounted on the unitary body and contains the plural control switches adjacent the actuator plunger and also contains the speed control member and a starting switch (52).

REFERENCES:
patent: 2267381 (1941-12-01), Ulinski
patent: 2364774 (1944-12-01), Boyce et al.
patent: 2911053 (1959-11-01), Ayers et al.
patent: 3179198 (1965-04-01), Hastings
patent: 3446376 (1969-05-01), Molby
patent: 3507350 (1970-04-01), Boyajian
patent: 4004665 (1977-01-01), Guhl et al.
patent: 4047145 (1977-09-01), Schwehr

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