Pin wheel feed mechanism

Details Pin wheel feed mechanism Pin wheel feed mechanism

1981-04-13

1983-07-26

Levy, Stuart S.

Advancing material of indeterminate length

Means to engage longitudinally spaced modifications in material

Rotating sprocket

226 82, G03B 124

Patent

active

043949495

ABSTRACT:
A pin wheel feed mechanism for transporting documents having feed perforations along the marginal edges thereof. The mechanism includes a pair of symetrically constructed guide frames, each adapted for use on either marginal edge of the feeding document. A pin wheel is rotatably housed in each guide frame and includes a plurality of equiangularly spaced pins which project radially from the surface of each wheel for feeding the document. A notch is provided between each pair of adjacent pins to accommodate warps in the marginal edges of the document to insure positive feed.

REFERENCES:
patent: 2683599 (1954-07-01), Davidson et al.
patent: 3549068 (1970-12-01), Calano
patent: 3838804 (1974-10-01), Bonafino
patent: 4022365 (1977-05-01), Weller
patent: 4197969 (1980-04-01), Sasaki
patent: 4227821 (1980-10-01), Plaza et al.
patent: 4251162 (1981-02-01), Kammerer et al.

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