Title:
FALL PREVENTION DEVICE
Document Type and Number:
Japanese Patent JP2023106068
Kind Code:
A
Abstract:
To provide a fall prevention device which can be normally excellently operated regardless of a shaking direction when a vibration occurs.SOLUTION: A fall prevention device includes: a pair of fall prevention means drive units, 2, 2 arranged in parallel at a predetermined interval on an upper surface of a shelf board 4; and a fall prevention bar 3 whose both ends are respectively connected to the pair of fall prevention means drive units 2, 2 and which is moved upward from a lower position of storage objects 5 to a predetermined height position of the storage objects 5. Each one of the fall prevention means drive units 2 includes: a vibration sensing mechanism 11 which is arranged on an upper part side in a housing so as to sense a vibration; and a cam mechanism 21 which is arranged on a lower part side in the housing so as to move a fall prevention bar 3 upward when the vibration sensing mechanism 11 senses the vibration.SELECTED DRAWING: Figure 1
Inventors:
YAMADA TAKUO
OSADA MITSUHIKO
SUDO KIYOTAKA
OSADA MITSUHIKO
SUDO KIYOTAKA
Application Number:
JP2022007194A
Publication Date:
August 01, 2023
Filing Date:
January 20, 2022
Export Citation:
Assignee:
SANEI KK
International Classes:
A47B96/02; A47F5/00
Attorney, Agent or Firm:
Yoshihiko Kido
Kazuhiko Kido
Kazuhiko Kido