Rotary type rubber stamp

Details Rotary type rubber stamp Rotary type rubber stamp

1979-11-14

1982-03-30

Burr, Edgar S.

Printing

Selective or progressive

Printing members

B41J 132

Patent

active

043218687

ABSTRACT:
A rotary type rubber stamp of the present invention comprises an assembly of an endless rubber stamp belt, a pair of guide pulleys mounted on shafts for rotating stamp belt, the shafts being spaced apart from each other and mounted on the inner side walls of a case, the stamp belt having a plurality of unit stamp portions connected with each other through a relatively thin hinge portion of the stamp belt, each of said unit stamp portions having on its back surface widthwise of the stamp belt a ridge-like projection to be engaged with mating grooves formed respectively on the pulleys, one of which pulleys being substantially square in section and the other being circular in section, and cooperating projections and recesses on the square pulley and inner side walls of the case, respectively, for releasably retaining the stamp in position during use.

REFERENCES:
patent: 710380 (1902-09-01), Turck
patent: 862396 (1907-08-01), Heller
patent: 1143445 (1915-06-01), Scotford
patent: 1450627 (1923-04-01), Darnley
patent: 2465720 (1949-03-01), Flamm
patent: 3380378 (1968-04-01), Edwards et al.
patent: 3776062 (1973-12-01), Ito
patent: 3786693 (1974-01-01), Keipert
patent: 3796152 (1974-03-01), Finke et al.
patent: 3927613 (1975-12-01), Nantz
patent: 4023485 (1977-05-01), Kirby, Jr.
patent: 4146337 (1979-03-01), Li
patent: 4176600 (1979-12-01), Sato
Wood, Jr.; Frank W., "Stop Devices", Machine Design, Oct. 27, 1960, vol. 31, No. 43, p. 144.

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