Upper thread take-up levers for sewing machines

Details Upper thread take-up levers for sewing machines Upper thread take-up levers for sewing machines

1977-02-01

1978-01-31

Schroeder, Werner H.

Sewing

Elements

Take-ups

D05B 4900

Patent

active

040709760

ABSTRACT:
Disclosed is an improved upper thread take-up lever for a two-thread sewing machine. The improvement comprises at least one vertically disposed pulley rotatably supported adjacent to the free end of the lever and a member secured to the free end of the lever for supporting the pulley rotatably in unison with another vertically disposed pulley in the vicinity of a tension disc.

REFERENCES:
patent: 2332920 (1943-10-01), Kucera
patent: 2550628 (1951-04-01), Webster
patent: 2997010 (1961-08-01), Hughes
patent: 3307509 (1967-03-01), Ioannilli et al.

Affiliated with

Also associated with

Rating

Upper thread take-up levers for sewing machines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Upper thread take-up levers for sewing machines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Upper thread take-up levers for sewing machines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2072087