发明名称 |
Escalator |
摘要 |
In an escalator, at least one of a plurality of staircase steps connected in an endless manner and supported by a body frame is made for a wheel chair loading staircase step. The staircase step comprises an upwardly movable main tread board, a sub-tread board supported by the main tread board, a lifting mechanism for lifting the main tread board, an electric drive unit for driving the lifting mechanism and a widening mechanism for automatically widening the sub-tread board by means of the electric drive unit.
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申请公布号 |
US4682681(A) |
申请公布日期 |
1987.07.28 |
申请号 |
US19860843619 |
申请日期 |
1986.03.25 |
申请人 |
HITACHI, LTD. |
发明人 |
TERANISHI, KATSUYA;OZIMA, KAZUHIRA;SAITO, CYUICHI;OGAWA, HIROYASU |
分类号 |
B66B23/12;B66B31/00;(IPC1-7):B66B23/12 |
主分类号 |
B66B23/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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