To smoothly transfer a cargo by making the height of a loading space match with that of a receiving surface of a cargo carrying-in-and-out stage.
A traveling device 4 freely traveling in the longitudinal direction is arranged in a truck body 3 of an unmanned carrier 1. A cargo delivery part 2b of a loading space 2 front part arranged on the truck body 3 is formed as a vertical level adjusting part. A loading space support device 11 having an elastic support tool 14 liftably supporting the cargo delivery part 2b is arranged between the truck body 3 and the loading space 2. A plurality of positioning projection parts 15 having cam rollers 15b are arranged in the cargo delivery part 2b of the loading space 2. Positioning recessed parts 16 having respectively fitted the cam rollers 15b and having a cam groove 16a for positioning a vertical position of the cargo delivery part 2b, are arranged in a cargo carrying-out stage R.
| JPH04223999A | 1992-08-13 | |||
| JPH03121070A | 1991-05-23 | |||
| JPH01233154A | 1989-09-18 | |||
| JPH09161750A | 1997-06-20 | |||
| JP2007045287A | 2007-02-22 | |||
| JPH05185934A | 1993-07-27 | |||
| JPH0246754A | 1990-02-16 | |||
| JPS6025573A | 1985-02-08 | |||
| JPS61119464A | 1986-06-06 |
Toshiji Sasahara
Yohei Harada
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