Title:
TREAD CHANGING DEVICE OF MOBILE WORKING MACHINE
Document Type and Number:
Japanese Patent JP2004189076
Kind Code:
A
Abstract:
To provide a tread changing device for a mobile working machine such as a tractor fitted with wheels capable of changing the tread simply and quickly when the wheels 4 are moved along a driving axle 7 and the tread between the wheels is changed.
The tread changing device is structured so that a hub boss 11 installed at the center of each wheel 4 and a stationary wheel piece 13 are fitted on the driving axle 7 slidably, and the hub boss is engaged with a screw shaft 9 provided on a part of the driving axle, while a stationary wheel piece is coupled with the driving axle in such a way as slidable but not rotatable, and a means 15 couples the hub boss with the stationary wheel piece removably from each other.
Inventors:
HIRAI MASAO
HAYASHI KEIICHI
HAYASHI KEIICHI
Application Number:
JP2002358238A
Publication Date:
July 08, 2004
Filing Date:
December 10, 2002
Export Citation:
Assignee:
YANMAR AGRICULT EQUIP
International Classes:
B60B35/14; (IPC1-7): B60B35/14
Attorney, Agent or Firm:
Akio Ishii
Tadashi Higashino
Hiroyuki Nishi
Tadashi Higashino
Hiroyuki Nishi
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