Convertible open-arm sewing machine

Details Convertible open-arm sewing machine Convertible open-arm sewing machine

D - Textiles, Paper

05

B

112/90

D05B 73/10 (2006.01)

Patent

CA 1065689

CONVERTIBLE OPEN-ARM SEWING MACHINE ABSTRACT OF THE DISCLOSURE A sewing machine convertible between flat bed and cylinder bed configurations and adapted to be mounted in cabinets of conventional design. The machine includes a base cabinet arranged to alternately support a lower cylinder arm flush with a cabinet top for flat work and at an elevated position above the cabinet top for tubular work. An auxiliary work supporting surface for flat work is responsive to rela- tive movement between the machine frame and the support base such that it automatically retracts or extends during position- ing of the machine frame between its flat bed and free arm operational positions. Counterbalancing means is provided to reduce manual effort of raising or lowering the machine between operational positions.

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