Title:
【発明の名称】ロープ受けドラムおよびその製造方法
Document Type and Number:
Japanese Patent JP2754070
Kind Code:
B2
Abstract:
Drum for receiving a cable, in particular in connection with the movement of a door leaf, which drum is provided on its lateral surface with a guide groove which is designed in such a manner as to proceed helically in the circumferential and axial direction of the drum and into which the wound cable is correspondingly received by being guided in a single layer. For a simple and inexpensive production of the drum, it is designed in such a way that at least the lateral wall consists of a metal sheet into which the guide groove is impressed, and is produced in its entirety by a cold extrusion process.
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Inventors:
MIHYAERU HERUMAN
Application Number:
JP1767490A
Publication Date:
May 20, 1998
Filing Date:
January 27, 1990
Export Citation:
Assignee:
MARANTETSUKU ANTORIIPUSU UNTO SHUTOIERUNGUSUTEHINIKU GMBH UNTO CO PURODOKUCHIONSU KG
International Classes:
B21D15/04; B65H75/26; B66D1/30; E05D13/00; E06B9/60; (IPC1-7): B66D1/30; B21D15/04; B65H75/26
Domestic Patent References:
| JP54108343A |
Attorney, Agent or Firm:
Yoshihiko Iinuma (1 person outside)