Mattress covering sewing machine

Details Mattress covering sewing machine Mattress covering sewing machine

1975-12-23

1977-03-29

Larkin, G. V.

Sewing

Special machines

Mattress sewing

D05B 1100

Patent

active

040142736

ABSTRACT:
A mattress covering sewing machine has a pair of upper and lower support means on which a cushion is wrapped with a box-like outer cover and outer cover disposed under the open end of the box-like outer cover. The upper support means is adapted to be lowered so that the wrapped cushion is uniformly compressed in a direction of thickness of the wrapped cushion so as to permit the outer marginal edge portions of the adjacent outer covers to be sewn together. A sewing device is adapted to be moved around the entire outer marginal portions of the adjacent outer covers.

REFERENCES:
patent: 2646013 (1953-07-01), Haas
patent: 3641954 (1972-02-01), Redman et al.
patent: 3664280 (1972-05-01), Redman et al.

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