Title:
TOY BLOCK SET
Document Type and Number:
WIPO Patent Application WO/2020/013398
Kind Code:
A1
Abstract:
A toy block set is disclosed. The toy block set according to one disclosed embodiment is a toy block set including a base block, wherein the base block comprises: a through-hole formed in the base block in the longitudinal direction of the base block in the center portion of the base block; at least one first base connection groove, which is provided in the longitudinal direction of the base block on the outer peripheral surface of the base block, has a circular cross section, and has an opening that is opened outward at the end portion thereof and that has a first width; at least one second base connection groove, which is provided in the longitudinal direction of the base block on the outer peripheral surface of the base block so as to be spaced from the first base connection groove, has a circular cross section having the same diameter as that of the first base connection groove, and has an opening that is open outward at the end portion thereof and that has a second width larger than the first width; and a coupling block inserted into and slidably coupled to the first base connection groove and/or the second base connection groove, and the first base connection groove provides a first rotational angle range by means of the opening having the first width when the coupling block is coupled thereto, and the second base connection groove provides a second rotational angle range wider than the first rotational angle range by means of the opening having the second width when the coupling block is coupled thereto.
Inventors:
JUNG SANG HOON (KR)
KIM HEE AE (KR)
KIM HEE AE (KR)
Application Number:
PCT/KR2018/014962
Publication Date:
January 16, 2020
Filing Date:
November 29, 2018
Export Citation:
Assignee:
TI EDUCATION CO LTD (KR)
International Classes:
A63H33/08; A63H33/10; A63H33/12
Domestic Patent References:
| WO2005016478A2 | 2005-02-24 |
Foreign References:
| KR20100011328U | 2010-11-22 | |||
| KR19990072069A | 1999-09-27 | |||
| KR20110028698A | 2011-03-22 | |||
| JP2008272177A | 2008-11-13 |
Attorney, Agent or Firm:
DOOHO IP LAW FIRM (KR)
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