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

Band clamp fitting

Patent 5553358 Issued on September 10, 1996. Estimated Expiration Date: Icon_subject May 11, 2014. 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

Spring clamp Patent #: 4987652
Issued on: 01/29/1991
Inventor: Spaulding

Inventors

Application

No. 241611 filed on 05/11/1994

US Classes:

24/20TTRatchet and tool tightened band clamp

Examiners

Primary: Brittain, James R.

Attorney, Agent or Firm

Foreign Patent References

  • 003192 EP. 07/12/1979
  • 243224 EP. 10/12/1987
  • 344050 EP. 11/12/1989
  • 460989 EP. 12/12/1991
  • 491609 EP. 06/12/1992
  • 491610 EP. 06/12/1992

International Class

F16L 033/02

Foreign Application Priority Data

1993-05-19 FR

Abstract

A clamp fitting is formed by a metal band wound on itself. One end of the band presents an ear radially projecting on the outer periphery of the clamp. The other end of the band is shaped as a hook capable of hooking behind the ear to maintain the clamp in a tightened position. After hooking, on the face of the metal band located opposite the hook bearing zone, the ear is provided with a member integral therewith and of which a zone is capable of coming into stop contact with the inner face of the hook when the latter is being hooked on the ear. This additional contact with the inner face of the hook prevents any relative displacement of the hook with respect to the ear and consequently any increase in the tightening of the clamp.

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