Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BOLT FASTENING DEVICE AND METHOD FOR FASTENING BOLT
Document Type and Number:
Japanese Patent JPH10202446
Kind Code:
A
Abstract:

To provide a bolt fastening device as well as a method for fastening a bolt capable of identifying bolt abrasion and an improper bolt fastening state.

A sensor is provided to detect an annular projection formed on the operation rod 18 of a power tool used for fastening a bolt. Also, the proper or improper bolt fastening state is identified, using a torque change detected in the motor 16 of the power tool and a signal detected with the sensor. The reliability of a bolt fastening result is improved by accurately identifying a bolt fastening state for a fastened object, and productivity in a succeeding process is thereby improved. At the same time, the nonconformity of a product is minimized.


Inventors:
ZEN KIICHI
Application Number:
JP1618998A
Publication Date:
August 04, 1998
Filing Date:
January 28, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SAMSUNG ELECTRONIC
International Classes:
B23P19/06; B23P19/00; B25B21/00; B25B23/14; (IPC1-7): B23P19/06; B25B23/14
Attorney, Agent or Firm:
Masatake Shiga (1 person outside)