Sewing machine having rotatable and axially movable frame

Sewing – Special machines – Quilting

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

D05B 1100

Patent

active

047168455

ABSTRACT:
A quilting machine includes a base having three bridges; a sewing head secured to the upper bridge; a cylindrically shaped frame slidably and rotatably mounted on the lower two bridges, the frame including first and second end assemblies spaced from each other on the lower bridges, each having a support casting slidably mounted on the base and a ring rotatably mounted on a support casting, each ring including circumferential gear teeth, gears meshing with the gear teeth and extending from the support castings for supporting the rings, a plurality of first and second telescoping rods secured to the first and second end assemblies, at least one first telescoping rod screw-threadedly receiving a second telescoping rod, and at least one first and second telescoping rod rotatably fixed and axially movable with respect to each other, a gear secured to each of the latter in meshing engagement with the gear teeth of the respective rings; a mechanism for rotating the axially movable and rotatably fixed first and second telescoping rods to rotate the rings; an elongation mechanism for rotating one of the first and second screw-threaded telescoping rods to change the length of the frame; a rack and pinion assembly for axially moving the frame along the lower bridges of the base; clamps secured to the outer circumference of each ring for clamping fabric to the frame; and two piston-cylinder assemblies for closing or opening the clamps during rotation of the rings.

REFERENCES:
patent: 351468 (1886-10-01), Schultz
patent: 447794 (1891-03-01), Schultz et al.
patent: 448253 (1891-03-01), Palmer
patent: 456726 (1891-07-01), Koch
patent: 467138 (1892-01-01), Hadley
patent: 1937491 (1933-11-01), May
patent: 1946868 (1934-02-01), May
patent: 2377951 (1945-06-01), May
patent: 3180293 (1965-04-01), Cash
patent: 3677207 (1972-07-01), Iwase

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Sewing machine having rotatable and axially movable frame does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sewing machine having rotatable and axially movable frame, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sewing machine having rotatable and axially movable frame will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2462

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.