Title:
HINGE BLOCK HAVING SEMICIRCULAR HINGE-CONNECTING END PORTIONS
Document Type and Number:
WIPO Patent Application WO/2021/071333
Kind Code:
A1
Abstract:
The present invention relates to a hinge block including semicircular both-ends, and a body having a length that is 1-3 times as long as the diameter of a semicircle of the semicircular both-ends and, more specifically, to a hinge block having semicircular hinge-connecting end portions, the hinge block having protrusions formed on the upper surface of the block at intervals of a length that is 1-3 times as long as the diameter of a semicircle on an imaginary line connecting the centers of arcs of the semicircular both-ends thereof, and having recessed grooves formed on the outer bottom surface thereof at the same position as that of the protrusions so that, when other blocks on the upper surfaces of the blocks facing each other are spaced leftward or rightward therefrom as much as the diameter distance so as to be stacked thereon by fitting the protrusions into the recessed grooves, connect joint parts, and then be rotated, the point at which the protrusion at the end of the lower block and the recessed groove at the end of the upper block meet becomes a rotational axis and the blocks can rotate left or right a maximum of 40-90 degrees from the center line of any one block, and thus any type of a curved line can be constructed.
Inventors:
LEE DO KEUN (KR)
Application Number:
PCT/KR2020/013853
Publication Date:
April 15, 2021
Filing Date:
October 12, 2020
Export Citation:
Assignee:
LEELAB CO LTD (KR)
International Classes:
F16S3/04; E01C11/22; E01F15/08; E02B3/14; E02D17/20; E02D27/01; E02D29/02; E04C1/39
Foreign References:
| KR100990517B1 | 2010-10-29 | |||
| KR102008623B1 | 2019-08-07 | |||
| KR200235098Y1 | 2001-10-10 | |||
| JP2016200003A | 2016-12-01 | |||
| US5209693A | 1993-05-11 | |||
| KR102086591B1 | 2020-03-09 |
Attorney, Agent or Firm:
LEE, Won Young (KR)
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