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Class Information
Number: 112/256
Name: Sewing > Elements > Lubricating
Description: Lubricating systems for sewing machines.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6912964 |
Oil discharge device of upper looper mechanism in overlock sewing machine |
Jul. 5, 2005 |
| 6112681 |
Tufting machine having a push rod seal system |
Sep. 5, 2000 |
| 5676076 |
Thread conditioning device |
Oct. 14, 1997 |
| 5651323 |
Hook assembly with coated surfaces for sewing machine |
Jul. 29, 1997 |
| 5549063 |
Frame structure for a sewing machine arm |
Aug. 27, 1996 |
| 5546879 |
Lint barrier for a sewing machine |
Aug. 20, 1996 |
| 5546877 |
Fabric securing device including adhesive and needle lubrication |
Aug. 20, 1996 |
| 5454338 |
Positive pressure lint barrier and oil cooler for a sewing machine |
Oct. 3, 1995 |
| 5431118 |
Dry sewing machine including loop spreader |
Jul. 11, 1995 |
| 5180035 |
Oil pumps for sewing machines |
Jan. 19, 1993 |
| 5170732 |
Sewing machine bobbin |
Dec. 15, 1992 |
| 5117773 |
Device for the lubrication of the rotating hook in a sewing machine |
Jun. 2, 1992 |
| 5099774 |
Oil pump for sewing machines |
Mar. 31, 1992 |
| 5088427 |
Relatively sliding arrangement for use in sewing machine |
Feb. 18, 1992 |
| 5076182 |
Rotary hook |
Dec. 31, 1991 |
| 5029545 |
Oil elimination device for a sewing machine |
Jul. 9, 1991 |
| RE33382 |
Self-oiling portable bag-closing sewing machine with pump |
Oct. 16, 1990 |
| 4809628 |
Device to stop lubricant flow on a feed dog carrier of a sewing machine |
Mar. 7, 1989 |
| RE32809 |
Fully rotating hook for a lock stitch sewing machine |
Dec. 27, 1988 |
| 4779550 |
Looper drive for a chainstitch sewing machine |
Oct. 25, 1988 |
| 4759303 |
Presser foot lubrication system |
Jul. 26, 1988 |
| 4715303 |
Lubricating device for sewing and embroidering machines |
Dec. 29, 1987 |
| 4671196 |
Fully rotating hook for a lock stitch sewing machine |
Jun. 9, 1987 |
| 4587912 |
Sewing machine lubrication system |
May. 13, 1986 |
| 4577572 |
Fully rotating hook for a lock stitch sewing machine |
Mar. 25, 1986 |
| 4572093 |
Lubricating system for sewing machines |
Feb. 25, 1986 |
| 4572092 |
Handwheel modified for improved lubrication and cooling |
Feb. 25, 1986 |
| 4545312 |
Tufting machines |
Oct. 8, 1985 |
| 4522136 |
Method and apparatus for retarding oil leakage in a sewing machine |
Jun. 11, 1985 |
| 4498406 |
Sewing machine lubrication system |
Feb. 12, 1985 |
| 4487143 |
Self-oiling bag-closing sewing machine with improved lubrication system for drive shaft and feed dog assembly |
Dec. 11, 1984 |
| 4441442 |
Self-oiling portable bag-closing sewing machine with pump |
Apr. 10, 1984 |
| 4419948 |
Needle bar lubricant sealing device |
Dec. 13, 1983 |
| 4417534 |
Lubricant sensing device for sewing machines |
Nov. 29, 1983 |
| 4393798 |
Rotary shuttle for a sewing machine |
Jul. 19, 1983 |
| 4381722 |
Sewing machine |
May. 3, 1983 |
| 4350105 |
Sewing machine with a device for lubricating the looper |
Sep. 21, 1982 |
| 4348970 |
Self-oiling portable bag-closing sewing machine |
Sep. 14, 1982 |
| 4284019 |
Lubricant sealing device for sewing machines |
Aug. 18, 1981 |
| 4245575 |
Lubrication system for sewing machine |
Jan. 20, 1981 |
| 4122789 |
Sewing machine having an oil filter |
Oct. 31, 1978 |
| 4095541 |
Sewing machine lubrication |
Jun. 20, 1978 |
| 4079685 |
Lubricating oil seal on sewing machines |
Mar. 21, 1978 |
| 4075960 |
Lubricating oil sealing device for a sewing machine |
Feb. 28, 1978 |
| 4073251 |
Lubricating device for a rotary looptaker |
Feb. 14, 1978 |
| 3981257 |
Sewing machine lubrication system and pump therefor |
Sep. 21, 1976 |
| 3955520 |
Sewing machine loop taker mounting |
May. 11, 1976 |
| 3933107 |
Sewing machines |
Jan. 20, 1976 |
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