发明名称 Winch for elevator
摘要 A winch for an elevator which is provided with a drive pulley rotated through a reduction gear by a motor and a brake unit provided between the motor and the reduction gear, makes it possible to produce the brake unit with a compact frame, light weight and low cost by fixing the frame of the brake unit to a casing of the reduction gear with bolts. Further, it can be assembled. easily for a short period of time. An annular oil keep groove is provided on the casing of the reduction gear. An annular oil interrupting projection disposed in the oil keep groove is provided on a hollow rotary shaft fixed the drive pulley. Therefore, lubricant is securely prevented from leakage from the inside of the casing for a long period of time.
申请公布号 US4688660(A) 申请公布日期 1987.08.25
申请号 US19860841427 申请日期 1986.03.19
申请人 KABUSHIKI KAISHA KANEKO SEISAKUSHO 发明人 KANEKO, MASATOSHI
分类号 B66B11/04;(IPC1-7):B66B11/04 主分类号 B66B11/04
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