Track carrying device |
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| 申请号 | JP14095589 | 申请日 | 1989-06-02 | 公开(公告)号 | JPH0241971A | 公开(公告)日 | 1990-02-13 |
| 申请人 | Heico Inc; | 发明人 | BARII ERU JIIGENFUUSU; RATSUSERU EICHI SHIEERU; | ||||
| 摘要 | PURPOSE: To simplify the traveling control by constraining a carrier so as not to be vertically movable to a rail, keeping the force for pressing a drive wheel to a drive tube constant regardless of the load on the carrier. CONSTITUTION: A carrier C traveling along rails 20, 21 between working stations has upper rollers 46, 48 and lower rollers 47, 47 to be engaged with the upper surfaces and lower surfaces of the rails 20, 21 mounted on the tips of a pair of suspension arms 44, 45. Its vertical movement is regulated to the rails 20, 21, and its horizontal movement is guided by engaging rollers 50, 51, with both side surfaces of the rail 20. Thus, a controlled drive force can act between a drive tube 35 and a drive wheel 36, and this drive force is kept constant by a spring 42 regardless of the weight of the load of the carrier C. Thus, the carrier can be stably supported, and its traveling control can be simply and easily performed. | ||||||
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