Gimbal vibration isolation system

Supports – Machinery support – Including vibration isolation means

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Details

248181, 248187, F16F 1504, G03B 1756

Patent

active

053682718

ABSTRACT:
A gimbal vibration isolation system suitable for use with an inertial platform to enable accurate positioning of the platform independently of a presence of vibratory translational movement upon a gimbal housing enclosing the platform employs a frame assembly centrally located within platform for pivoting the platform and for isolating the platform from vibration. The gimbal housing includes a drive ring rotatable about a central axis and encircling the frame assembly which is connected to the drive ring. A central portion of the frame assembly carries a pivot which pivotally supports the platform. An electromagnetic actuator is located at each of a plurality of positions located circumferentially around the central axis wherein each actuator has a first part connecting with the frame and a second part connecting with of the platform to accomplish a pivoting between platform and frame assembly upon activation of each actuator. The frame assembly further includes a plurality of vibration isolation elements of resilient material disposed symmetrically about the central axis and being connected between the first parts of respective ones of the actuators and the drive ring to allow operation of the actuators in an environment substantially free of translatory vibrational movement.

REFERENCES:
patent: 3703999 (1972-11-01), Forys et al.
patent: 4101102 (1978-07-01), Lloyd
patent: 4783038 (1988-11-01), Gilbert et al.
patent: 5204573 (1993-04-01), Bederson et al.

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