Device for driving in rotation a structure of large diameter par

Details Device for driving in rotation a structure of large diameter par Device for driving in rotation a structure of large diameter par

1990-03-09

1991-04-23

Wimer, Michael C.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

74606R, 74665C, 248183, 343766, F16H 27020, F16H 57020, F16M 11120, H01Q 3000

Patent

active

050091158

ABSTRACT:
An apparatus for rotating structures such as large antennas which incorporates a motor for controlling rapid rotation of the structure through a ring gear and a screw jack which is selectively coupled to the ring gear for controlling a slower more exacting rotation of the structure about a common axis.

REFERENCES:
patent: 3059889 (1962-10-01), Pottmeyer
patent: 3515009 (1970-06-01), Matusch et al.
patent: 4295621 (1981-10-01), Siryj
patent: 4691207 (1987-09-01), Timineri

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