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

Liquid-tight, strain-relief connector for connecting conduit and the like

Patent 5866853 Issued on February 2, 1999. Estimated Expiration Date: Icon_subject February 2, 2016. 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

2858358

3285551

3352961

3493205

3667783

3788582

Strain-relief bushing for cables and the like
Patent #: 4056252
Issued on: 11/01/1977
Inventor: Simon

Sealed wall lead-through means for cables in particular for junction boxes
Patent #: 4116472
Issued on: 09/26/1978
Inventor: Schmitt

Cable grommet with traction relief
Patent #: 4157799
Issued on: 06/12/1979
Inventor: Simon

Feedthrough device
Patent #: 4234218
Issued on: 11/18/1980
Inventor: Rogers

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Inventor

Application

No. 133509 filed on 10/07/1993

US Classes:

174/17.06, Liquid seal174/153R, Opposed wall engaging means285/149.1CONNECTOR FOR CONDUIT HOUSING ELECTROMAGNETIC LINE:

Examiners

Primary: Kincaid, Kristine
Assistant: Ghosh, Paramita

Attorney, Agent or Firm

International Class

H02G 003/18

Abstract

There is provided a strain-relief, liquid tight for connecting conduit or the like to a bulkhead such as an electrical box, with the connector having a body having front and rear portions, and a substantially hollow inner throughbore formed along a longitudinal axis thereof. The front portion of the connector body is adapted for attachment to a bulkhead. A flexible seal member is mounted at least partially within the hollow inner throughbore for receiving a conduit inserted therethrough, this seal member facilitating a substantially liquid tight seal about an inserted conduit during use. An at least partially hollow grip for selectively gripping the conduit is included, and a clamp nut is telescoped over the rear portion of the body for selective longitudinal adjustment therealong. The longitudinal adjustment of this clamp nut provides inward radial compression of the flexible grip about the conduit. In a preferred embodiment of the present invention, the grip member comprises a plurality of gripping fingers cantilevered from a ring-like base portion, and the seal member is at least partially disposed within the grip member. A cam surface is provided in the interior of the body, and a compression member on the clamp nut urges the gripping fingers against this cam surface thereby causing the fingers to be compressed radially inward. This results in the conduit being gripped and also enhances the sealing of the seal member about the conduit.

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