Caliper-stitch and trim machine

Details Caliper-stitch and trim machine Caliper-stitch and trim machine

1973-09-04

1977-01-25

Blunk, Evon C.

Sheet feeding or delivering

Feeding

Separators

270 54, 271 99, B65H 310

Patent

active

040047962

ABSTRACT:
A sheet material seperator device that moves one sheet of material at a time from a generally flat, overlying stack of sheets of material by making contact with the lower sheet and thereafter breaking at least the forward portion of the first sheet away from the stack as the first sheet is transferred to a new location. The sheet material separator device includes a moveable first sheet contact member with a generally flat contact surface around a vacuum contact opening with a leading edge forward of a rearwardly positioned boundary line breaking portion. The sheet material separator device has a following surface positioned to prevent direct contact between the following surface and with the first sheet during the initial movement of the first sheet away from the stack. The first sheet contact member moves in an arcuate path away from the stack to separate the first sheet from the overlying sheet.

REFERENCES:
patent: 1706952 (1929-03-01), Broadmeyer
patent: 2033849 (1936-03-01), Mudd
patent: 3372924 (1968-03-01), Treff
patent: 3423084 (1969-01-01), Konazewski

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