Cable gripping unit with spring biased jaw segments

Patent 5369849 Issued on December 6, 1994. Estimated Expiration Date:

March 25, 2013. 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.

Abstract Claims Description Full Text

Patent References

3399437

3524227

3852850

Conical wedges for gripping multi-ply rope or cable
Patent #: 3952377
Issued on: 04/27/1976
Inventor: Morell

Automatic cable gripping device
Patent #: 5015023
Issued on: 05/14/1991
Inventor: Hall

Cable grip Patent #: 5233730
Issued on: 08/10/1993
Inventor: Milne, et al.

Inventor

De France, Robert V.

Application

No. 036936 filed on 03/25/1993

US Classes:

24/136R, Sliding part or wedge24/115MSliding wedge

Examiners

Primary: Bertsch, Richard A.
Assistant: McAndrews, Roland G. Jr.

Attorney, Agent or Firm

Kane, Dalsimewr, Sullivan, Kurucz, Levy, Eisele & Richard

Foreign Patent References

872864 SU 10/21/1981

International Class

F16G 011/04

Abstract

The present invention is a cable gripping unit having: a casing provided with a central circular shell bore having a tapered portion terminating in a cable receiving open end and inwardly projecting stop means spaced from the cable receiving end; a gripping member within the casing and movable longitudinally thereof comprised of jaw retaining means and jaw segments; spring means engaging the gripping member and the stop means yieldingly urging the gripping member towards the cable receiving end within the tapered portion of the shell; and the jaw retaining means being circular and concentric with the shell bore and provided with a plurality of retaining slots within each, of which a respective jaw segment is disposed with the jaw segments in circular arrangement defining a cylindrical jaw bore; and the jaw segments being radially movably disposed in the retaining means so that upon the spring means yieldingly urging the gripping member toward the cable receiving end the jaw members within tapered portion define a reduced diameter jaw bore for gripping the cable.