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. 21, 1977
Filed:
Jan. 19, 1976
Applicant:
Inventor:
Leonard H Schwarz, West Hartford, CT (US);
Assignee:
Dunham-Bush, Inc., West Hartford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
2915 / ; 29411 ; 29417 ; 29463 ; 7457 / ;
Abstract
Complementary semi-tubular metal bars of non-porous metal are extruded to form bar stocks of given length, complementary edges of the semi-tubular metal bars are clamped in edge abutment, a series of longitudinally spaced holes are drilled along respective edges through one of said bars and partially through the other, the holes partially drilled through the edges of the second bar are tapped and the bars are screwed together prior to severing individual connecting rods from the joined bars at points intermediate of the screws.