Racking mechanism for bobbin machine

Details Racking mechanism for bobbin machine Racking mechanism for bobbin machine

1978-01-06

1980-11-11

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74777, F16D 6700, F16H 5710

Patent

active

042327695

ABSTRACT:
The bobbins in a jacquard-type lace-making machine are displaceable by means of mechanisms each constituted as an output member carrying one or two bobbins, a transmission member and a continuously rotating drive member. The drive and output members are formed with respective bevel gears centered on the axis of the device and the transmission member carries at least one bevel gear rotatable about an axis transverse to the rotation axis for the mechanism and meshing with both of the gears so that the output gear can rotate in a direction opposite that of the drive gear. An operating shaft carries a pair of operating arms and is displaceable between a stopping position in which the one arm arrests the output member while the other arm allows the transmission member to rotate and a racking position in which the one arm allows the output member to rotate whereas the other arm arrests the transmission member. A cam may be provided on the drive member or on the output member for forceably returning the operator to the stopping position after 180.degree. displacement of the output member.

REFERENCES:
patent: 838655 (1906-12-01), Sharp
patent: 1963308 (1934-06-01), Molinelli
patent: 3664471 (1972-05-01), Seidlitz
patent: 4002088 (1977-01-01), Alsch

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