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:
May. 22, 1984
Filed:
Oct. 04, 1982
Applicant:
Inventor:
Robert E Porter, Hamilton, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112311 ; 112320 ;
Abstract
A walking foot top feed for a sewing machine in which a walking foot is supported on a beam and a presser foot is supported on an arm, an independent beam being connected to both the presser foot arm and to the walking foot beam and a source of power being connected to the independent beam, the independent beam transferring motion from the source to the walking foot beam and to the presser foot arm to cause out-of-phase movement of the walking foot and the presser foot.