Title:
【発明の名称】保持装置
Document Type and Number:
Japanese Patent JP2763152
Kind Code:
B2
Abstract:
PURPOSE:To stop a supported body surely at necessary position and direction by constituting a system for carrying out a damp release of electromagnetic brake and a lock release of lock body in one operation at the same time and also for setting the lock body in a stand-by condition after a prescribed time elapses since the damping by electromagnetic brake and locking by lock body are released. CONSTITUTION:An actuation body 12 is usually stopped at a necessary irradiation position by a damping of electromagnetic brake 20 and a locking action of rock mechanism. In case of moving the actuation body 12, the damping of the electromagnetic brake 20 is released by operating an operation switch 27 of the electromagnetic brake 20 and the locking action of a lock body drive instrument is also released. Furthermore, after the releasing actions are carried out, the lock body drive instrument is made to stop the releasing action and to stand-by for a locking action by a control of a control circuit 29. When the actuation body 12 is moved and its positioning part arrives at another irradiation position, the lock body drive instrument carriers out a locking action and can lock the actuation body 12 by engaging the lock body with the positioning part of the actuation body 12. It is possible, therefore, to stop the actuation body 12 surely at a necessary position by a locking action of the lock body drive instrument even if a locking of the lock body drive instrument has been released automatically.
Inventors:
NISHIGAKI SHUNICHIRO
SATO HIROAKI
SATO HIROAKI
Application Number:
JP24529489A
Publication Date:
June 11, 1998
Filing Date:
September 22, 1989
Export Citation:
Assignee:
TOSHIBA KK
International Classes:
A61B6/00; (IPC1-7): A61B6/00
Domestic Patent References:
| JP56116007U | ||||
| JP182004U | ||||
| JP5760559B2 |
Attorney, Agent or Firm:
Takehiko Suzue (3 outside)