Nut locking apparatus

Details Nut locking apparatus Nut locking apparatus

2006-04-25

2006-04-25

Hewitt, James M. (Department: 3679)

Pipe joints or couplings

With means blocking release of holding means

Thread lock

C439S321000

Reexamination Certificate

active

07032931

ABSTRACT:
A locking tubing system includes a length of tubing lying in any geometric complexity including a substantially straight line and a first fitting body having a securing member rotationally locked thereto. The first fitting body is affixed to one end of the length of tubing. The system also includes a first nut having a plurality of openings in cooperative relation to engage the securing member, a second fitting body having a securing member rotationally locked thereto, the second fitting body is affixed to the other end of the length of tubing and a second nut having a plurality of openings in cooperative relation to engage the securing member. The first nut and the second nut are threaded onto corresponding mated fittings, each securing member being engaged with at least one of the openings of the respective nuts thereby locking each of the nuts to the respective fitting body.

REFERENCES:
patent: 2728895 (1955-12-01), Quackenbush et al.
patent: 4030798 (1977-06-01), Paoli
patent: 4285564 (1981-08-01), Spinner
patent: 4655482 (1987-04-01), Myers et al.
patent: 5145394 (1992-09-01), Hager
patent: 5188398 (1993-02-01), Parimore et al.
patent: 5435760 (1995-07-01), Miklos
patent: 5851035 (1998-12-01), Marc et al.
patent: 6293595 (2001-09-01), Marc et al.

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