Box blank holding device in box-making machine

Details Box blank holding device in box-making machine Box blank holding device in box-making machine

1989-02-10

1990-06-05

Focarino, Margaret A.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

2941191, 901 37, B66C 142

Patent

active

049308300

ABSTRACT:
A box blank holding device for a box-making machine. In a holder main body of the device, a driving rack is moved when air is supplied to and discharged from a cylinder connected to the rack. A transmission shaft is rotatably supported by the holder main body and has a pair of pinions, one in meshing engagement with the driving rack, and the other in meshing engagement with a pair of holding member-actuating racks disposed on either side thereof. A pair of blank holding members are pivotally mounted on the ends of the holding member-actuating racks in such a manner as to be retractable and projectable into spaced opposed relation facing each other for gripping box blanks therebetween and being guided by retracting-and-projecting guide plates mounted on the holder main body.

REFERENCES:
patent: 2390293 (1945-12-01), Colson
patent: 4377305 (1983-03-01), Horvath
patent: 4591198 (1986-05-01), Monforte
patent: 4632631 (1986-12-01), Dunlap
patent: 4707013 (1987-11-01), Vranish et al.
IBM Technical Disclosure Bulletin, vol. 23, No. 11, Apr. 1981.

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