Wireworking – Fabric making – Link and perforated plates
Patent
1995-03-03
1996-12-03
Larson, Lowell A.
Wireworking
Fabric making
Link and perforated plates
140 927, B21F 2716
Patent
active
055798101
ABSTRACT:
A spring interior forming method and apparatus provides a spring interior assembler and a coil row transfer station upstream of the assembler having at least one conveyer extending therethrough. A coil former is provided at an upstream end of the conveyor and is operated through a plurality of cycles, each to feed one spring coil onto the conveyor. In one embodiment, a single former is provided with a single conveyor extending therefrom through the transfer station. In a second embodiment, two such coiler-conveyor combinations is provided. In a third embodiment, one conveyor through the transfer station is provided with two coilers, each having a feeder preferably in the form of a conveyor, that selectively feed spring coils, which may be of different types, to a cross-over station for feed onto the transfer station conveyor. In a fourth embodiment, each coiler accumulates springs at its output while awaiting queing by the cross-over station. Between consecutive cycles of the feeding of a spring onto the transfer conveyor, a stepper motor or other servo-type motor advances the conveyor a programmed distance, thereby providing the capability for obtaining different programmed spacings between coils on the rows presented by the transfer conveyor to the transfer station.
REFERENCES:
patent: 3205915 (1965-09-01), Kamp
patent: 3918473 (1975-11-01), Ramsey
patent: 4413659 (1983-11-01), Zangerle
Jordan Joseph R.
Ramsey Henry R.
L&P Property Management Company
Larson Lowell A.
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