Drive gear for a shuttleless loom having weft thread insertion d

Details Drive gear for a shuttleless loom having weft thread insertion d Drive gear for a shuttleless loom having weft thread insertion d

1993-04-13

1994-12-06

Laub, David W.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74420, 74665GC, 74 52, 139 1E, F16H 2508, F16H 114

Patent

active

053700104

ABSTRACT:
A gear drive for shuttleless looms has an input transmission train and an outpost transmission train cooperating for converting the continuous rotational movement of the main loom drive shaft into an oscillating back and forth movement which in turn is converted into a horizontal back and forth movement of the respective gripper rod carrying a gripper head back and forth into the loom shed. The output transmission section or train has two auxiliary parallel output drive shafts, both of which are driven from a central output drive shaft. Two pinions at the free ends of the auxiliary parallel drive shaft mesh with the gripper rod, thereby distributing the drive forces over a larger surface area for reducing the wear and tear on the gripper rod and on the two parallel output drives.

REFERENCES:
patent: 998808 (1911-07-01), Steere
patent: 1619389 (1927-03-01), Winters
patent: 2084645 (1937-06-01), Kliewer
patent: 3383929 (1968-05-01), Grutter
patent: 4878392 (1989-11-01), Jaeger et al.

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