Other

Frank L. Wells Company

Stuart C Hamill

Horst F Wentzek

Michael E Andrea

Wayne D Jaworski

Disclosed herein is a coil spring forming head which is periodically operative to at least partially form coil springs having a plurality of coils and which includes a wire feed advancing mechanism operative to feed the wire which is formed into coil springs, a pitch control mechanism operative to control the diameter of the coils of the coil springs being formed, a diameter control mechanism operative to control the pitch of the coils of the coil springs being formed, and a control including a storage area containing instructions for operation of the wire feed advancing mechanism, the pitch control mechanism, and the diameter control mechanism, a wire feed controller connected to the wire feed advancing mechanism to control operation thereof, a pitch controller connected to the pitch control mechanism to control operation thereof, a diameter controller connected the diameter control mechanism to control operation thereof, and a programmable switching device connected to the wire feed controller, to the pitch controller, and to the diameter controller and selectively connectable to the storage area to afford forwarding of selected instructions from the storage area to the wire feed controller, to the pitch controller, and to the diameter controller.

Coil spring forming and conveying assembly

Disclosed herein is a coil spring forming machine and transfer conveyor assembly comprising a transfer conveyor operable through a succession of operational cycles and including and endless conveyor assembly and a conveyor drive servo-motor drivingly connected to the conveyor assembly and operative, upon each energization thereof, to drive the conveyor assembly through one operational cycle. A control system operative to automatically and non-selectively cause energization of the conveyor drive servo-motor.

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Grey Lynn Aukland, New Zealand

Stuart C Hamill