| 摘要 |
An elevator with electric/manual dual driving-mode including a cab suspended from a beam at the top of an elevator well by a host cable, a winch mounted on the cab and driven by a reversible motor to take up/let off the host cable so as to lift/lower the cab, and a manual drive means for turning the reversible motor in driving the winch manually by a person in the cab in an emergency case, wherein the manual drive means includes a gear shaft supported on a bearing in a support outside the cab, clutch means controlled by a clutch switch to couple said gear shaft to the motor shaft of said reversible motor, a hand wheel disposed inside the cab and coupled to the gear shaft by a chain transmission mechanism and turned to rotate the reversible motor through the gear shaft, and a clutch switch controlled to move the clutch means into engagement with the gear shaft and a rear extension shaft of the reversible motor, for permitting the reversible motor to be turned with the gear shaft.
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