Work moving device in sewing machine
US5553565A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1995 |
| Grant date | Sep 10, 1996 |
| Priority date | — |
| Expiry date | Jul 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19819
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a sewing machine which moves a work to be sewed with respect to a sewing needle which stitches a seam on the work, a work moving device includes: a pair of stationary racks spaced from each other, the stationary racks being set in parallel with each other in a first direction of moving the work; a coupling shaft having gears engaged with the stationary racks, respectively; coupling shaft driver for rotating the coupling shaft; a movable frame rotatably supporting the coupling shaft, the movable frame being movable back and forth in the first direction according to rotating the coupling shaft; a carriage supported by the movable frame, the carriage being movable back and forth in a second direction perpendicular to the first direction; a carriage driver for moving the carriage back and forth in the second direction; and a pallet supported by the carriage, for carrying the work.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.