Title:
LOOSENESS DETECTING AND WARNING DEVICE FOR AUGER INTERMEDIATE STEADY BRACE HANGING MATERIAL
Document Type and Number:
Japanese Patent JP2007162443
Kind Code:
A
Abstract:
To carry out safe work by warning a worker to pay attention to a sudden fall when an intermediate steady brace suspended from an auger is in a state of being caught and stopped.
This looseness detecting and warning device comprises a means for detecting the looseness of a hanging material for the intermediate steady brace, a means for detecting that the intermediate steady brace is lowered and held on a lower steady brace, and a means for sending out a warning when detecting the looseness of the handing material while the intermediate steady brace is not on the lower steady brace.
Inventors:
TORIKAI MITSUTOSHI
TAKAHASHI HIDEO
IMAI KYOJI
TAKAHASHI HIDEO
IMAI KYOJI
Application Number:
JP2005381016A
Publication Date:
June 28, 2007
Filing Date:
December 16, 2005
Export Citation:
Assignee:
SANWA KIZAI CO LTD
International Classes:
E21B7/00
Domestic Patent References:
| JPS5845788A | 1983-03-17 | |||
| JPH1113377A | 1999-01-19 | |||
| JP2001003361A | 2001-01-09 | |||
| JPH05331855A | 1993-12-14 | |||
| JPS5845788U | 1983-03-28 | |||
| JPH0547091U | 1993-06-22 | |||
| JPH1113377A | 1999-01-19 | |||
| JP2001003361A | 2001-01-09 | |||
| JPH05331855A | 1993-12-14 |