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:
Jul. 14, 1981
Filed:
Dec. 13, 1979
Delwin E Cobb, Peoria, IL (US);
Caterpillar Tractor Co., Peoria, IL (US);
Abstract
PCT No. PCT/US79/01087 Sec. 371 Date Dec. 13, 1979 Sec. 102(e) Date Dec. 13, 1979 PCT Filed Dec. 13, 1979 An impactor (10) having a fracturing portion (11) including a crank (12) and a force transferring structure (13). The force transferring structure (13) is hammered as a result of rotation of the crank (12) by a hammer (14) rotatably mounted to the crank for concurrent revolution about the crank axis (16) and rotation about a hammer axis (24). The hammer is rotated in synchronization with the crank to move a contacting portion (20) of the hammer reciprocatively toward and from the force transfer structure (13) with contact between the hammer and force transfer structure being free of rolling movement therebetween.