Title: Antenna spring counterweight

Abstract: A primary antenna reflective structure is supported for pivotal movement in the elevation direction between the zenith and horizontal points. Drive motors via a bull gear rotates the antenna through its permissible travel. Inertia counterbalance is utilized to control the motion of the antenna. That counterbalance comprises a pinion driven by the bull gear. Left and right guides are integral with the pinion and followers are contained within housings and are adapted to be driven by the guides. The followers move in opposite directions and either compress or relax springs which are housed concentric with the guides. The guides comprise either a ball screw or roller screw, and the followers either a ball nut or roller nut.

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Inventors: Simoneit, Kurt (Poway, CA, US)

Application Number: 566242
Filing Date: 1975-04-09
Publication_date: 1976-09-21
Assignee: Rohr Industries, Inc. (Chula Vista, CA)
Primary Class(es): 343/766 267/162, 343/912
Other Classes:
US Patent Ref:

2918238	Dec, 1959	Zollinger	267/162.
2931035	Mar, 1960	Reinhard et al.	343/766.
2945229	Jul, 1960	Klauser	343/761.
2981511	Apr, 1961	Suozzo	267/162.
3439550	Apr, 1969	Goulding	343/765.

Other Refs:
Primary Examiner: Lieberman, Eli
Assistant Examiner:
Attorney: Schlesinger; Patrick J., Gilliam; Frank D.