Inventor: Wolf R. Von Hagen

Address: Hemmingen, DE
No. of patents: 3
Last patent issue date: 10/25/1988

Number	Title	Issue Date
4779550	Looper drive for a chainstitch sewing machine A looper drive for a chainstitch sewing machine comprising a rigid guide stud which is part of a support member for a looper shaft. The rigid guide stud is surrounded by a bushing which is swivably mounted on the guide stud. The guide stud as well as the ...	10/25/1988
4594957	Sewing machine belt feed with variable pitch drive pulley A work advancing mechanism for a sewing machine which includes a driven circulatory belt for positively advancing the work beneath the presser foot of the machine. The belt is entrained about and driven by a wheel assembly having an adjustable operative c...	06/17/1986
4498406	Sewing machine lubrication system A lubrication system for eccentric drives in a sewing machine wherein lubricant is fed through a hollow drive shaft and communicative radial ports. At its outlet end, the radial port is in fluid communication with a lubricant reservoir arranged on the ecc...	02/12/1985

PatentStorm