Chain conveyor of a fabric web stretching machine

Details Chain conveyor of a fabric web stretching machine Chain conveyor of a fabric web stretching machine

1987-01-27

1988-02-09

Mackey, Robert R.

Textiles: cloth finishing

Expanding device for textile webs

Spreader

26 93, 26 95, 26 96, D06C 302

Patent

active

047233451

ABSTRACT:
A chain conveyor of a fabric web stretching machine includes input and output sides of the machine, an endless roller chain having a forward and rearward running parts, chain links, chain bolts absorbing longitudinal chain forces, stretching devices disposed at each of the chain links, a guide rail disposed at the forward running part forming a support for horizontally directed transverse forces to be exerted on the fabric web, chain wheels disposed at the input and output sides of the machine forming transitions between the forward and backward running parts each having teeth engaging in the chain at respective longitudinal ends of the guide rail, a transverse force roller being associated with each of the stretching devices for transferring transverse forces, roller bearings on which the transverse force rollers are supported about a vertical axis coaxial to a respective one of the chain bolts, the transverse force rollers abutting an outer surface of the guide rail facing away from the fabric web, the tooth rim and the teeth thereon of at least one of the chain wheels having a slit formed radially in the peripheral surface thereof perpendicular to the axis thereof, substantially centrally dividing the at least one chain wheel, and a support strip disposed within the forward and backward running parts and extending into the slit, the support strip having a support edge lying along a tangent of the root circle of the at least one chain wheel parallel to an adjacent part of the guide rail.

REFERENCES:
patent: 1800515 (1931-04-01), Edlich
patent: 3418702 (1968-12-01), Coburn
patent: 3457608 (1969-07-01), Gaqeur

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