Modulator for controlling high-speed rotary dobbies

Details Modulator for controlling high-speed rotary dobbies Modulator for controlling high-speed rotary dobbies

1988-12-22

1990-05-15

Falik, Andrew M.

Textiles: weaving

Warp manipulation

Shedding

139 66R, D03C 112

Patent

active

049249150

ABSTRACT:
A modulator for controlling high-speed rotary dobbies of the type which control the dobby main shaft's motion by transmitting power from a drive shaft through pivotable rocker supports rotatably driven by the drive shaft and engaging conjugate cams so that the drive shaft's uniform rotary motion is converted into non-uniform motion of the dobby main shaft. This is caused by the conjugate cams, which cause the rocker supports to pivot. The rocker supports are mounted so as to accommodate this rocking. The two rocker supports are connected to the dobby main shaft by two connecting rods hinged by pins on one of the rocker supports and on an appendix of the main shaft respectively, these connecting rods being disposed antisymmetrically to each other in accordance with a particular geometry.

REFERENCES:
patent: 4326563 (1982-04-01), Brock et al.
patent: 4727910 (1988-03-01), Surkamp

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