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:
May. 16, 1995
Filed:
Sep. 20, 1993
Kubota Corporation, Osaka, JP;
Abstract
A clutch mechanism having a drive shaft operatively connected to a drive section of a working vehicle, and a driven shaft connected to a working implement such as a mower unit. The clutch mechanism includes a clutch mounted on the drive shaft to be operable between an ON state to transmit drive from the drive shaft to the driven shaft, and an OFF state to break drive transmission; a transmission shaft connected to the clutch; and a shift device connected to the clutch to be shiftable between a first position corresponding to the ON state of the clutch and a second position corresponding to the OFF state of the clutch. The shift device has a clutch control device shiftable to control the clutch, and a first helical gear axially movably mounted on the transmission shaft. The clutch mechanism further includes a second helical gear rotatable with the driven shaft and meshed with the first helical gear, and a brake for applying a braking force to the shift device when the shift device is in the second position. The first and second helical gears are shaped such that the second helical gear applies a reaction to the first helical gear to push the first helical gear toward the first position when the clutch is in the ON state to transmit the drive from the drive shaft to the driven shaft, and the second helical gear applies a force to the first helical gear to push the first helical gear toward the second position when the clutch is in the OFF state and a force is transmitted from the driven shaft.