| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that no consideration is given to defects as to introduction of outside air into a cabin while a tractor is travelling or a condition in which an operator has a conversation with someone outside the cabin in a state where door glass is closed; that is, it is necessary to open the entire door glass purposely in order to introduce the outside air or to have a conversation with a person outside the cabin. SOLUTION: A small window 100 made by cutting the rear of the door glass 50 to be freely opened/closed is provided. Otherwise, a frame 120 for a small window is disposed in the rear of door glass 50a, and a small window 100b that can be opened/closed freely is provided in the frame 120 for the small window. COPYRIGHT: (C)2005,JPO&NCIPI
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