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. 07, 1981
Filed:
Aug. 09, 1979
John R Muntjanoff, Aurora, IL (US);
Caterpillar Tractor Co., Peoria, IL (US);
Abstract
PCT No. PCT/US79/00584 Sec. 371 Date Aug. 9, 1979 Sec. 102(e) Date Aug. 9, 1979 PCT Filed PCT Pub No. WO 81/00396 Pub Date Feb. 19, 1981 A compact grapple head (10) for use in apparatus such as a logging vehicle (11). The grapple head has a reduced overall height and utilizes four pivot connections (17,26,27 and 31) in controlling the tongs (13 and 18) thereof. The arrangement of the pivot connections relative to the tongs, an extensible device (22) and an interconnecting (28) provides an improved load-handling capability both as to maximum and minimum loads. Each of the extensible device (22) and link (28) is connected between the tongs with one of the pivotal connections (26) connecting both of the extensible device (22) and link (28) to one of the tongs (13) and a second pivotal connection (27) connecting both the extensible device and the other of the tongs (18) to the frame (12).