擁壁ブロックシステム

Japanese Patent JP3676238

B2

A wall block system having a plurality of blocks (5) suitable for use in constructing a wall from multiple courses of the blocks stacked one upon the other, the wall block system comprising: first and second blocks, each block having a thickness, width and length; each block having an upper surface (8) spaced apart from a lower surface (10), thereby defining the block thickness, the upper surface (8) having a plurality of pin receiving apertures (22a,22b,22c,72), the lower surface (10) having a channel (23,73); each block having opposed first (12) and second faces (14), thereby defining the block length; each block having opposed side surfaces (16,18), thereby defining the block width as measured between midpoints of the side surfaces, a width of the first blocks being different than a width of the second blocks; and a plurality of pins, each pin (80) having a head portion (76) and a body portion (78), the body portion of each pin being sized to be received in a pin receiving aperture (72), the head portion being larger than a pin receiving aperture and being sized to be received in a channel (73), the pins being configured such that when the wall is constructed from the wall block system, the head portion is configured to be received within the channel of the lower surface of a block in a first course of the wall and the body portion is configured to be received in one of the pin receiving apertures of a block in a next lower course of the wall.

Robert A. McDonald

JP2000598715A

July 27, 2005

February 04, 2000

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Keystone Retaining Wall Systems, Inc.

E02D3/02; E02D5/00; E02D29/02; E04C1/39; E04B2/02; (IPC1-7): E02D29/02

JP3067170B2
JP1143819U

US5848511

Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Shigeo Takeuchi

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