B - Operations – Transporting – 21 – F
Patent
B - Operations, Transporting
21
F
26/163
B21F 35/00 (2006.01) B21F 27/16 (2006.01) B21F 33/04 (2006.01) B21F 37/00 (2006.01)
Patent
CA 1327120
- 22 - Abstract of the Disclosure An apparatus for manufacturing a spring unit used for mattresses and the like is provided with a first unit for forming coiled springs sequentially out of a single wire and shaping the spring wires by arranging these coiled springs in a lateral row so that side limbs of the coiled springs are adjacent to each other, and a second unit extending across the spring wires and adapted to shape helical wires wound around the side arms of the spring wires so that the helical wires extend across the side limbs. The second unit is provided with a helical wire shaping device which includes a feeding mechanism and another mechanism for forming the straight wire fed from the feeding mechanism into the helical wires and a third mechanism for adjusting a pitch of the helical wires. The second unit is also provided with a device for supplying the helical wires while measuring and controlling the length of the helical wires in such a manner that this length substantially agrees with the width of the spring wires. Also, an end former is disposed so that it can be positioned freely in the widthwise direction of the spring wires. The end former is adapted to cut the end portion of the helical wire.
564541
Hara Kazuo
Nomura Tomoaki
Sasaki Noboru
Usui Toshio
Yoshino Isamu
Fetherstonhaugh & Co.
France Bed Co. Ltd.
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