Stitch length range indicating arrangement in a multiple pattern

Details Stitch length range indicating arrangement in a multiple pattern Stitch length range indicating arrangement in a multiple pattern

1981-08-13

1982-08-03

Nerbun, Peter P.

Sewing

Work manipulating

Guides

112158F, 112315, D05B 302, D05B 7900

Patent

active

043422713

ABSTRACT:
An arrangement for indicating to an operator whether a selected stitch length is within, below or above a preferred range for a selected pattern in a multiple pattern sewing machine includes a slide contact board and a group of slide contacts connected to a stitch length selection lever. The different patterns are grouped in accordance with preferred stitch length ranges, each group having associated therewith one of the slide contacts on the lever. The slide contact board is arranged to define the preferred ranges so that for each of the pattern groups, a circuit is completed to energize a low LED if the selected stitch length is below the preferred range; to energize an in-range LED if the selected stitch length is within the preferred range; and to energize the high LED if the selected stitch length is above the preferred range.

REFERENCES:
patent: 4064817 (1977-12-01), Sawada et al.
patent: 4236467 (1980-12-01), Tanaka et al.
patent: 4270472 (1981-06-01), Suzuki et al.

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