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

Electrical plug connection

Patent 5906520 Issued on May 25, 1999. Estimated Expiration Date: Icon_subject March 24, 2017. 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

3074046

Electrical connector
Patent #: 4192567
Issued on: 03/11/1980
Inventor: Gomolka

Connector apparatus for connecting high-tension cable
Patent #: 4620763
Issued on: 11/04/1986
Inventor: Mochida

Connector socket Patent #: 4632496
Issued on: 12/30/1986
Inventor: Williams

Inventors

Assignee

Application

No. 765897 filed on 03/24/1997

US Classes:

439/841Adapted to receive elongated contact or conductor by insertion along axis passing through spring coils

Examiners

Primary: Paumen, Gary F.

Attorney, Agent or Firm

Foreign Patent References

  • 22277 AT. 11/13/1969
  • 0352967 EP. 01/13/1990
  • 959460 FR 03/13/2012
  • 9318460 DE. 03/13/1995
  • 8601645 WO. 03/13/1986

International Class

H01R 013/33

Foreign Application Priority Data

1994-06-29 DE

Abstract

The invention relates to an electric plug connection (1) with a plug holder (7) and a pin (3), especially a round-section pin (3), in which the plug holder (7) has a holding compartment which is an axially compressible coil spring (2) having individual turns (5, 6) with the turns (5) largely having the same main diameter (dh). In order to reduce wear to the minimum even with frequent plug-in cycles and also not to increase the plugging force excessively, the invention proposes that the main diameter (dh) be larger than the outside diameter (d) of the pin (3) and that one or a few of the contact windings (6) have a smaller contact diameter than the main diameter (dh) and than the outside diameter (d) of the pin (3).

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