U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Multiple ball joint gimbal

Patent 6820846 Issued on November 23, 2004. Estimated Expiration Date: Icon_subject April 7, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3374977

3577659

High-agility reflector support and drive system
Patent #: 4360182
Issued on: 11/23/1982
Inventor: Titus

Linear actuated optical concentrator
Patent #: 4798949
Issued on: 01/17/1989
Inventor: Wilcox ,   et al.

Multi-post yoke gimbal
Patent #: 4919382
Issued on: 04/24/1990
Inventor: Forman

Self-leveling portable camera support apparatus
Patent #: 5042763
Issued on: 08/27/1991
Inventor: Wong

Reciprocating electromagnetic engine
Patent #: 5457349
Issued on: 10/10/1995
Inventor: Gifford

Lockable ball joint apparatus
Patent #: 5544968
Issued on: 08/13/1996
Inventor: Goellner

Reciprocating electric generator
Patent #: 5696413
Issued on: 12/09/1997
Inventor: Woodbridge, et al.

Magnetorheological compositions
Patent #: 6395193
Issued on: 05/28/2002
Inventor: Kintz, et al.

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Inventor

Assignee

Application

No. 10408623 filed on 04/07/2003

US Classes:

248/178.1, Adjustable platform248/371, Tilting support surface248/396, Ends raised differentially310/24, Plural cores434/58By fluid actuated piston/cylinder ram

Examiners

Primary: King, Anita M.
Assistant: Szumny, Jon

Attorney, Agent or Firm

International Class

B25J 1700

Abstract

A multiple ball joint gimbal mount apparatus which includes a mount platform structure, and a plurality of linear motor actuators arranged in a housing assembly. Each actuator includes an actuator shaft and an actuator connector at a distal end of the shaft. The platform structure includes a plurality of platform connectors each for coupling to a corresponding actuator connector to form a pivoting connection between the actuator shaft and the platform structure. A controller selectively actuates the plurality of linear motor actuators to selectively position the plurality of actuator shafts along respective shaft axes and position the mount platform structure at a selected position within a gimbal range of motion. The gimbal structure can optionally include a mechanism to selectively lock the mount structure in any respective position within the gimbal range of motion.

Other References

  • Popular Science Magazine, extract “Rising on Magnets,” date unknown.
  • Lord Corporation , Rheonetic Magnetic Fluids & Systems Technology, 2 pages, http: //www.rheonetic.com/technology.htm.
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