Title:
FALL PREVENTION DEVICE FOR FLOOR OPENING
Document Type and Number:
Japanese Patent JP2016044423
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fall prevention device for a floor opening that allows sufficient viewing into a storage room while enhancing safety.SOLUTION: A fall prevention device 1 for a floor opening 10 is for preventing falling from the floor opening 10, and includes: a guide rail 2 disposed along the floor opening 10; a plurality of supporting bars 3 guided by the guide rail 2; a lock mechanism 5 capable of fixing the supporting bar closest to a ladder L side, among the plurality of supporting bars 3, on the guide rail 2; and a safety net 4 stretched over the plurality of supporting bars 3. The safety net 4 is flexible and covers over the floor opening 10, while the supporting bar 3 is being fixed by the lock mechanism 5. The plurality of supporting bars 3 has a longitudinally long cross-section. The lock mechanism 5 unlocks the fixed state when the supporting bar 3 fixed on the guide rail 2 rotates.SELECTED DRAWING: Figure 1
Inventors:
YAMAUCHI KATSUYA
FUJIKAWA KATSUNOBU
YAMAMOTO KATSUO
FUJIKAWA KATSUNOBU
YAMAMOTO KATSUO
Application Number:
JP2014168050A
Publication Date:
April 04, 2016
Filing Date:
August 21, 2014
Export Citation:
Assignee:
SUMITOMO FORESTRY
DAIKEN CO LTD
DAIKEN CO LTD
International Classes:
E04F19/08
Domestic Patent References:
| JPH0133727Y2 | 1989-10-13 | |||
| JPS6137347U | 1986-03-08 | |||
| JPH0549966U | 1993-07-02 | |||
| JPH053475U | 1993-01-19 | |||
| JP2002147011A | 2002-05-22 | |||
| JP2004113512A | 2004-04-15 |
Foreign References:
| US20040065028A1 | 2004-04-08 |
Attorney, Agent or Firm:
Morimoto International Patent Office