Indexing means

Details Indexing means Indexing means

1979-05-25

1981-08-04

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

With means to regulate operation by use of templet, tape,...

408 70, B23B

Patent

active

042819482

ABSTRACT:
An apparatus for drilling holes through batches of paper, the apparatus having a vertically movable drilling head, a movable table for supporting the batch of paper through which the holes are to be drilled at predetermined positions, and an indexing means incorporating elongate indexing members with holes or recesses provided therein corresponding to the positioning and spacing of the holes to be drilled, and a locating pin arrangement associated with and movable with the table and adapted for engagement in respective holes or recesses in a particular indexing member to set the table at the required positions for drilling operations. In one embodiment the locating pin arrangement is manually retracted and relocated, while in another embodiment the retraction and relocation is facilitated semi-automatically after each drilling operation.

REFERENCES:
patent: 1124549 (1915-01-01), Stephenson
patent: 1125351 (1915-01-01), Liebig
patent: 2388779 (1945-11-01), Boehmler
patent: 2757560 (1956-08-01), Ridgway
patent: 3071029 (1963-01-01), Chesney
patent: 3828646 (1974-08-01), Borse
patent: 4147232 (1979-04-01), Gaunt et al.

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