Title:
APPARATUS FOR PREVENTING MAIN TUBE OF UNIT FOR DENTISTRY FROM SAGGING AND FOR ENERGIZING TO PULL IT IN
Document Type and Number:
Japanese Patent JP3475491
Kind Code:
B2
Abstract:
PURPOSE: To prevent a main tube in a conventional unit for dentistry from sagging and from being hooked when an instrument is stored.
CONSTITUTION: A bracket 5 for fixing is mounted on the rear side of a table 4 and a spring case 6a is fixed on the rear side of the bracket 5 and a double- wound clockwork spring apparatus 6 is built in the spring case 6a. A wire roller 8a is freely rotatably projectedly provided on its rear end to energize a clockwork spring 7 in the winding direction (the direction A) and the wire 8 is energizeed in the same direction as that for the spring 7 through a spring roller 7a which plays a role also as a spring and a hanging ring-type pulley 9 on the apex of the wire 8 is pulled up backward through the wire roller 8a and an inserted main tube is always pulled to prevent it from sagging.
Inventors:
Noboru Shirai
Application Number:
JP11345494A
Publication Date:
December 08, 2003
Filing Date:
May 02, 1994
Export Citation:
Assignee:
Morita Tokyo Manufacturing Co., Ltd.
International Classes:
A61G15/16; (IPC1-7): A61G15/16
Domestic Patent References:
| JP63300753A | ||||
| JP579677A | ||||
| JP7136223A | ||||
| JP751285A | ||||
| JP4128198A | ||||
| JP2122833A | ||||
| JP211145A | ||||
| JP63193008U | ||||
| JP6396816U | ||||
| JP60190314U | ||||
| JP577517U | ||||
| JP54111393U | ||||
| JP4111334U |
Attorney, Agent or Firm:
Yukio Murata