Heald frame driving method in negative dobby machines or cam mac

Details Heald frame driving method in negative dobby machines or cam mac Heald frame driving method in negative dobby machines or cam mac

1982-09-16

1984-11-13

Kee Chi, James

Textiles: weaving

Warp manipulation

Shedding

139 82, 139 88, D03C 1300

Patent

active

044819790

ABSTRACT:
This invention relates to a heald frame driving means having resilient transmission members connected to a shedding lever of a negative dobby machine or cam machine disposed above the heald frame and engaged with the heald frame through working levers and connecting rods to move the heald frame downward, and tension coil spring means to apply upward restoring force, thereby reducing tension in and abrasion of the resilient transmission members.

REFERENCES:
patent: 3967653 (1976-07-01), Lyman, Jr.
patent: 4222415 (1980-09-01), Palau

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