Title:
BUSINESS APPLIANCE
Document Type and Number:
Japanese Patent JPS6483213
Kind Code:
A
Abstract:
PURPOSE: To prevent the track of pressure from being formed even on a carpet or the surface of a floor by switching the main body of equipment to the state of holding it with narrow wheels and the state of holding it with wide wheels. CONSTITUTION: A narrow wheel 6 is composed of a small diameter part 6A, middle diameter part 6B and large diameter part 6C having mutually different outer diameter dimensions, a male screw part 6a is formed on the outer peripheral face of the small diameter part 6A, and width W6 of the large diameter part 6C to be functioned as a wheel part is reduced as much as possible. A wide wheel 7 to be freely attachably and detachably fitted to the narrow wheel 6 is provided with a female screw part 7a to be screwed with the male screw part 6a on the inner peripheral face on the side of an opening end, and composed of a cylindrical body 7A equipped with a clamping part 7b at a terminal part on the opposite side of the female screw part 7a and a wide wheel part 7B coupled with the cylindrical body 7A by fitting a bottom opening part 7e into a recessed groove part 7d formed along the outer periphery of the cylindrical body 7A on the side of a bottom part 7c, and an outer diameter dimension d7 of the wheel part 7B is made equal to an outer diameter dimension d6 of the large diameter part 6C of the narrow wheel 6. When setting a placing stand 2 on a carpet 9, a main body 2A of equipment is held by the wheel 6 and at the time of the tile or woody floor surface, it is held by the wide wheel 7.
Inventors:
IRIE YOICHIRO
Application Number:
JP24481487A
Publication Date:
March 29, 1989
Filing Date:
September 26, 1987
Export Citation:
Assignee:
MITA INDUSTRIAL CO LTD
International Classes:
G03G15/00; A47B91/06; B60B33/00; (IPC1-7): A47B91/06; B60B33/00; G03G15/00
Attorney, Agent or Firm:
Hideo Fujimoto