Textiles: braiding – netting – and lace making – Apparatus – Braiding
Patent
1996-12-20
1998-08-04
Stryjewski, William
Textiles: braiding, netting, and lace making
Apparatus
Braiding
87 45, 87 48, D04C 348
Patent
active
057877840
ABSTRACT:
The circular braiding machine includes an inner and outer group of spools (31,38) arranged on a circular track coaxial with a rotation axis (1); a drive device (9-11, 17, 29, 42-45) for rotating the groups in opposite directions (r,s) around the circular track; strand guide members (48) for guiding strands (37) from one of the groups at a location between that group and a braiding point (35) so as to braid the strands, these strand guide members (48) being mounted to reciprocate along guideways (78) while keeping a constant distance from the braiding point (35); and a device for reciprocating the strand guide members (48) along the guideways (78), which operates synchronously with the drive device and which includes pivotally connected levers (73,77) for coupling the at least one strand guide member with the drive device, at least one rotatable crank device. (68, 69) coupled with the levers (73, 77) and an elliptical gear device (63, 67) coupled with the crank device (68, 69) for rotating the crank device (68, 69) so that the angular velocity of the crank device (68,69) is not constant and is smaller in regions corresponding to the turning points of the at least one strand guide member than a corresponding constant angular velocity of the crank device.
REFERENCES:
patent: 814711 (1906-03-01), Larsson
patent: 1260063 (1918-03-01), Rosskothen
patent: 1456656 (1923-05-01), Tober
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patent: 1615587 (1927-01-01), Klein et al.
patent: 4372191 (1983-02-01), Iannucci et al.
patent: 4729278 (1988-03-01), Graeff et al.
patent: 5099744 (1992-03-01), Hurst et al.
Sipra Patententwicklungs u. Beteiligungsgesellschaft mbH
Striker Michael J.
Stryjewski William
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