Detachable indexing device and method

Details Detachable indexing device and method Detachable indexing device and method

1977-07-22

1978-12-26

Stoner, Jr., Bruce H.

Advancing material of indeterminate length

Processes

Intermittently or interruptedly

83277, 226161, 226162, 346136, B65H 1736

Patent

active

041312244

ABSTRACT:
An apparatus having a table defining a work surface, and a carriage mounted for movement over the work surface in one direction includes a device for precisely indexing a strip of sheet material in the same direction so that various sections of the strip can be operated upon by an instrument mounted on the carriage. The indexing device comprises a bar that is parked at one edge of the work surface while the instrument and carriage are working on one section of the sheet material. The bar is subsequently attached to the carriage above the sheet material for an indexing operation. A plurality of magnets are mounted in the bar and cooperate with a clamping plate placed under the bar and the sheet material to clamp the sheet material between the plate and the bar during an indexing operation. After the indexing operation, the clamping plate and bar are returned to the parking position at one edge of the work surface and the bar is detached from the instrument carriage.

REFERENCES:
patent: 3844461 (1974-10-01), Robison et al.

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