Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1977-05-05
1978-03-21
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
156384, 156542, B32B 3100, B65H 2500
Patent
active
040802396
ABSTRACT:
An automated label applicator includes an elongated arm which is rotatable between a first position, in which the label applicator receives an adhesive-backed label as it is being separated from an elongated strip of label stock backing, and a second position, in which the label is removed from the label applicator by progressive engagement of the adhesive backing with a moving surface. In the label-receiving position, the label is directed between a first pin upstanding from the elongated arm, and a second pin supported for rotation about the first pin, by a spring arm which extends transversly from the first pin. The spring arm is normally biased against the second pin, but is deflected therefrom only when the elongated arm is in the label-receiving position. Upon initial rotation of the elongated arm toward the label-applying position, the spring arm is released to press the label against the second pin. A fixed pin coacting with a slot in a member supporting the second pin causes the member, and thus the second pin, to rotate about the first pin upon subsequent rotation of the elongated arm toward the label-applying position. When the elongated arm has reached a position intermediate the label-receiving and label-applying positions, the fixed pin exits from the slot and a cam-actuated rod mounted on the elongated arm enters a second slot in the member to fix the position of the member for subsequent rotation of the elongated arm toward the label-applying position. The thus-fixed position of the member establishes an orientation of the second pin with respect to the first pin, which accordingly orients the label in a position to be applied to the desired surface. Rotation of the elongated arm is provided by a stepping motor under control of a circuit which receives inputs from a label transport apparatus moving the elongated strip of label stock backing, from a sensor detecting when the elongated arm is in the label-receiving position, and from a sensor detecting proximity of the desired surface to the label-applying position. An arrangement is shown in which the elongated arm is also moved to a waiting position, spaced apart from a label-applying position, until such a time as the desired surface is in proximity to the label-applying position.
REFERENCES:
patent: 3447992 (1969-06-01), Allen et al.
Ellefson Larry P.
Real Kenneth G.
Interface Mechanisms, Inc.
Simmons David A.
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