The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 1978
Filed:
Sep. 21, 1976
Nereo Bianchi, Pavia, IT;
NECCHI Societa per Azioni, Pavia, IT;
Abstract
A device for varying the pocket length provided on sewing machines for making welted pockets comprising a bed, a standard, an arm, a head, two groups with adjustable positioning carrying a mounting for driving valves and a mounting for one of two patch turners, frames for carrying the valves and the patch turner movable relative to the groups, pneumatic cylinders fixed to the groups to move the frames to two extreme positions, corresponding to the two extreme operating positions of the pneumatic cylinders and lock blocks positioned intermediate the extreme positions to stop movement of the frames intermediate the extreme positions. The lock blocks are fixed to the end of a piston rod mounted in a cylinder.