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. 14, 1977
Filed:
Apr. 16, 1976
Leon A Wirt, Joliet, IL (US);
Caterpillar Tractor Co., Peoria, IL (US);
Abstract
A material handling apparatus having a stub boom provided with structure for connecting a fore boom thereto to form a two-piece boom, structure for selectively swingably positioning the stub boom, a work implement, and an improved joint structure for swingably connecting the work implement to the stub boom. The improved joint is defined by an adapter having a mounting portion and a joint portion swingably interconnected. Mounting structure is provided for cooperating with the stub boom connecting structure for mounting the adapter mounting portion to the stub boom, and mounting structure is provided for mounting the work implement to the joint portion of the adapter. A positioner is provided for selectively swingably positioning the joint portion of the adapter for correspondingly selectively positioning the work implement.