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. 17, 1984
Filed:
Nov. 12, 1981
Frederick G Clark, Naples, FL (US);
Eastman Machine Company, Buffalo, NY (US);
Abstract
A sharpener drive for the straight blade of a fabric cutting machine receives its motion from the crank wheel which drives the blade. A drive wheel, which selectively engages the crank wheel, drives a gear train which drives a gear mounted in splined relationship with an elongated shaft. A sharpener is mounted on the elongated shaft for selective engagement with the straight knife. An actuator is attached to the elongated shaft for sliding the elongated shaft through the gear with which it is splined to thereby move the sharpener axially of the knife while the gear rotates the elongated shaft to drive sharpener wheels. A link is engageable by the elongated shaft in its stored position for effecting disengagement of the drive wheel from the crank wheel. A latch includes a camming portion for moving the latch into locking engagement with the cutting machine housing when the elongated shaft is moved to its stored position. The sharpener consists of first and second sharpener wheels at a lower and higher elevations, the placement of the sharpener wheel at the lower elevation being for compensating for the upward movement thereof inherent in its linkage before it can engage the sharpener blade on the upstroke of the sharpener.