Title:
折畳式柱状構造体
Document Type and Number:
Japanese Patent JP4890730
Kind Code:
B2
Abstract:
The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column.
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Inventors:
Stephen A. Olsen
Application Number:
JP2002529616A
Publication Date:
March 07, 2012
Filing Date:
September 21, 2001
Export Citation:
Assignee:
Tower Solutions LLC
International Classes:
E04H12/34; B66F3/06; E04G1/22; E04G11/48; E04H12/18; F16S3/04
Domestic Patent References:
| JPH02296968A | 1990-12-07 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Osamu Hoshino
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Osamu Hoshino