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:
Apr. 21, 1981
Filed:
Jan. 15, 1980
Applicant:
Inventor:
Robert F Oury, Hampshire, IL (US);
Assignee:
Rotec Industries, Inc., Elmhurst, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ; B67D / ;
U.S. Cl.
CPC ...
137615 ; 141232 ;
Abstract
A concrete placing boom device includes a rail-mounted base, extensible outriggers and a jointed two-section cantilevered arm structure that supports a jointed two-section pipeline. Preferably, the inner arm section is pivotally mounted on the base for rotation about a vertical axis and the outer arm section is pivotally mounted on the inner arm section for rotation and angular elevation. The device is joined with pins for assembly and disassembly for easy transport.