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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0313455 (1981-10-21) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 12 인용 특허 : 2 |
A material spreader and bridge is described including a pair of spaced-apart wheeled frames having an elongated horizontally disposed bridge secured to and extending therebetween. A hopper assembly is movably mounted on the bridge and includes an apparatus for moving the hopper assembly between the
A material spreader for spreading material onto a surface comprising, first and second spaced-apart wheeled frames, an elongated horizontally disposed bridge means secured to and extending between said wheeled frames, said bridge means including a flat horizontally disposed worker support surface th
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