Title:
COMPLEX TREAD
Document Type and Number:
Japanese Patent JP3178753
Kind Code:
B2
Abstract:
PURPOSE: To constitute a walking face which prevents stumbling.
CONSTITUTION: Nine holding portions 2, 2... constitute in both longitudinal and lateral directions of a frame body 1. Collar pieces 7 are extended at every side at the upper end of portion walls 3, ... of respective holding portions 2 and receiving bases 6 supported by arms 8 are arranged at the bottom of respective holding portions 2. Fitting grooves 12 are formed at the four side faces of a wooden brick 5. The lower side thereof is moved back so as to provide a little clearance 13 between the wooden brick 5 and the inner face of the partition wall 3, when the wooden brick 5 is put in the holding portions 2 and the upper part is formed into a little protruded part 14. The wooden bricks 5 are placed in respective holding portions 2 of the frame body 1 and the collar pieces 7 are inserted and set in the fitting grooves 12, .... The wooden bricks are allowed to move a little bit to the horizontal direction in the holding portions 2.
Inventors:
Kosei Hayashi
Application Number:
JP5505093A
Publication Date:
June 25, 2001
Filing Date:
February 19, 1993
Export Citation:
Assignee:
Hayashi Bussan Co., Ltd.
International Classes:
E01C5/00; E01C13/04; E01C15/00; (IPC1-7): E01C5/00; E01C13/04; E01C15/00
Domestic Patent References:
| JP5927004A |
Attorney, Agent or Firm:
Yukio Kohata