Motorized anti-backlash linear actuator

Details Motorized anti-backlash linear actuator Motorized anti-backlash linear actuator

1989-07-11

1990-12-04

Braun, Leslie A.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

74409, F16H 1902

Patent

active

049744640

ABSTRACT:
A motorized anti-backlash actuator having an externally threaded rod (18) movable linearly while in rotational engagement with an inwardly threaded anti-backlash nut portion (10) and an armature (8) fixed to the nut and rotatable therewith. A field coil (4) (6) surrounds the armature (8) to excite it to impart anti-backlash linear motion to the rod.

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patent: 4131031 (1978-12-01), Erikson et al.
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patent: 4279173 (1981-07-01), Krebs et al.
patent: 4353264 (1982-10-01), Erikson et al.
patent: 4433590 (1984-02-01), Benoit et al.
patent: 4434677 (1984-03-01), Linley, Jr.

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