Severing by tearing or breaking – Breaking or tearing apparatus – Work-parting pullers
Patent
1976-02-26
1977-05-10
Yost, Frank T.
Severing by tearing or breaking
Breaking or tearing apparatus
Work-parting pullers
B26F 302
Patent
active
040223647
ABSTRACT:
An improved burster for separating continuous business forms stationery assemblies into individual form lengths of the type including an infeed mechanism for driving the continuous assembly into a burster which, in turn, separates the assembly into individual form lengths which are placed on a conveyor to be conveyed to a stacking tray. The burster includes a powered mechanism whereby the burster, the conveyor, and a portion of the stacking mechanism may be simultaneously adjusted for various form lengths. Also incorporated is an automatic electrical system responsive to such adjustment for automatically adjusting the conveying rate of the conveyor to insure proper shingling of the individual form lengths thereon. The burster is in a housing having a movable cover whereby access to the various mechanisms may be obtained. A control system provides for jogging of the mechanisms with the cover open that precludes continuous operation for safety purposes. A printer assembly may be optionally used with the burster and includes interlocks with the cover whereby the printer assembly is locked in place responsive to moving the cover to a closed position. A vertically movable stacking tray is employed and a sensing device is operative to cause the tray to move upwardly or downwardly responsive to the position of forms thereon. The control system also provides for control of other business forms equipment employed in line with the burster.
REFERENCES:
patent: 3493156 (1970-02-01), Absler et al.
patent: 3741451 (1973-06-01), Parenti et al.
patent: 3856196 (1974-12-01), Bayne et al.
Uarco Incorporated
Yost Frank T.
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