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US 6,772,703 B2Granted
Eye-type buttonhole sewing machine
AssigneeDurkopp Adler Aktiengesellschaft
InventorsKarsten Filges, Horst Bohl, Samuel Römich, Rainer Panhorst
Life of this patent
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Abstract
An eye-type buttonhole sewing machine comprises an x-y table with an x carriage which is guided on the sewing machine and on which a y carriage is displaceably guided, having a bearing plate. Actuation of the x carriage is effected by an x motor which is mounted on the sewing machine and directly coupled with the x carriage via a cam drive. Actuation of the y carriage is equally effected via an electric motor which is directly connected to the y carriage via a threaded spindle with a spindle nut and a sliding coupling.
Claims5
An eye-type buttonhole sewing machine, comprising
- a needle (8) which is drivable in up and down reciprocation;
- an x-y table (13) which supports
- an x carriage (19) mounted on the sewing machine for displacement only in an x direction, and
- a y carriage (20) mounted on the x carriage (19) for displacement only in a y direction;
- an x motor (28) in the form of an electric motor mounted on the sewing machine,
- which x motor (28) is directly coupled with the x carriage (19) via a drive that translates a rotary motion into a linear motion;
- and
- a y motor (36) in the form of an electric motor mounted on the sewing machine,
- which y motor (36) is directly connected to the y carriage (20) via a threaded spindle (39) and a spindle nut (41) and a sliding coupling (42) which extends in the x direction.
6 more elements
Dependencies are inferred from the claim text.