Sewing – Elements – Needles
Patent
1996-08-15
1998-07-07
Nerbun, Peter
Sewing
Elements
Needles
D05B 5502
Patent
active
057752443
ABSTRACT:
A needle clamping mechanism capable of preventing tip end positions of a pair of needles from being set back or forth and right or left, thereby obtaining excellent sewing performance. The needle clamping mechanism comprises a needle bar comprising a needle bar body, a protrusion protruding downward from a lower surface of the needle bar body and being semicircular in cross section, and having a flat surface portion at a chord thereof, a needle clamp member which the needle bar is engaged in a fixed to, the needle clamp member having a recess for receiving the needle bar body, a needle containing hole being opened at a lower end surface of the needle clamp member, the needle containing hole comprising a semicircular cross sectional portion for receiving the protrusion of the needle bar and a pair of circular arc grooves for receiving needle circular portions provided at upper ends of a pair of needles individually, wherein the needles respectively received in the pair of circular arc grooves are respectively pressed by tip ends o0: set screws which are respectively screwed into the needle clamp member, and each of the needle circular portions is pressed against each of side walls of the needle containing hole, a needle flat surface portion at the upper end of each of the needles is pressed against and fixed to a flat surface portion of the protrusion.
REFERENCES:
patent: 3348508 (1967-10-01), Eguchi et al.
patent: 4329934 (1982-05-01), Hanyu et al.
patent: 4883007 (1989-11-01), Nagasaka
Kojima Shinji
Nakayama Koichi
Nerbun Peter
The Singer Company N.V.
LandOfFree
Needle clamping mechanism of a sewing machine does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Needle clamping mechanism of a sewing machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Needle clamping mechanism of a sewing machine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1195094