Method of making one-way chain

Details Method of making one-way chain Method of making one-way chain

2007-12-25

2007-12-25

Jones, David B (Department: 3725)

Chain, staple, and horseshoe making

Chain making

Blanks and processes

C059S021000, C059S023000, C059S030000, C059S078000

Reexamination Certificate

active

11611227

ABSTRACT:
One-way chain for an aircraft tie-down, as well as a method of making one-way chain. The method preferably includes the steps of providing an unmodified welded chain having a plurality of welded links; feeding the unmodified chain into an automated shaping machine constructed and arranged to shape the welded links in separate shaping events; and individually shaping the welded links to form shaped links in a series of separate shaping events that shape the respective welded links so that a first width of a forward end of the respective shaped link is narrower than a second width of the greatest planar width of a rearward end of the respective shaped link; such that the forward end is sized to fit into a link receiving receptacle of a screw-type binder mechanism and the rearward end will not fit into the link receiving receptacle.

REFERENCES:
patent: 2069980 (1937-02-01), Stahl
patent: 2732178 (1956-01-01), Chaney
patent: 4682467 (1987-07-01), Waltemyer et al.
patent: 4841898 (1989-06-01), Ballantyne
patent: 4850768 (1989-07-01), Huber
patent: 5660036 (1997-08-01), Rozenwasser
patent: 7065952 (2006-06-01), Benecke
Naval Air System Command (NASC); Chain, One Way; NASC Specification Control Drawing 1540A5117; Dec. 16, 2005.
Naval Air System Command (NASC); Hook and Chain Assembly; NASC Specification Control Drawing 1540A8101; Dec. 16, 2005.

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