Title:
SPRINGS AND SPRING ASSEMBLIES
Document Type and Number:
WIPO Patent Application WO/2011/001132
Kind Code:
A3
Abstract:
Various arrangements are disclosed based on springs formed from a plurality of individual resilient arms, including a spring having a substantially planar form in an unloaded state and rotational symmetry of at least order two about a symmetry axis perpendicular to the plane of the spring, said spring comprising: an inner hub and an outer hub, said inner hub being radially inward with respect to said outer hub; a plurality of resilient connecting arms each connected at an inner end to said inner hub and at an outer end to said outer hub, said plurality of resilient connecting arms being configured to provide a restoring force parallel to said symmetry axis when said inner and outer hubs are displaced relative to each other along said symmetry axis; wherein said inner hub, said outer hub and each of said plurality of resilient connecting arms are formed as physically separate elements and are connected to each other during assembly to form said spring.
Inventors:
DADD MICHAEL WILLIAM (GB)
BAILEY PAUL BRIAN (GB)
BAILEY PAUL BRIAN (GB)
Application Number:
PCT/GB2010/001100
Publication Date:
August 11, 2011
Filing Date:
June 03, 2010
Export Citation:
Assignee:
ISIS INNOVATION (GB)
DADD MICHAEL WILLIAM (GB)
BAILEY PAUL BRIAN (GB)
DADD MICHAEL WILLIAM (GB)
BAILEY PAUL BRIAN (GB)
International Classes:
F16F1/02; F16F1/10; F16F3/02
Foreign References:
| GB2262797A | 1993-06-30 | |||
| GB2262795A | 1993-06-30 | |||
| US6443183B1 | 2002-09-03 | |||
| DE10312977A1 | 2004-10-07 |
Attorney, Agent or Firm:
FORSYTHE, D. (14 South SquareGray's Inn, London WC1R 5JJ, GB)
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