Title:
【発明の名称】積 木
Document Type and Number:
Japanese Patent JP2591131
Kind Code:
B2
Abstract:
PCT No. PCT/GB88/00017 Sec. 371 Date Aug. 1, 1989 Sec. 102(e) Date Aug. 1, 1989 PCT Filed Jan. 12, 1988 PCT Pub. No. WO88/05329 PCT Pub. Date Jul. 28, 1988.A set of building blocks having two subsets of rhombohedral blocks (B,Y) having respectively dihedral angles of 72 DEG and 36 DEG so that the faces of both subsets of blocks are identical. Each of the faces incorporates magnets (11) whereby juxtaposed faces of any two blocks will stick together magnetically in a predetermined angular orientation.
Inventors:
Ronget-Higgins Michael Selwin
Application Number:
JP50088188A
Publication Date:
March 19, 1997
Filing Date:
January 12, 1988
Export Citation:
Assignee:
Ronget-Higgins Michael Selwin
International Classes:
A63H33/10; A63H33/04; G09B23/26; (IPC1-7): A63H33/10
Other References:
【文献】米国特許3184882(US,A)
【文献】米国特許4238905(US,A)
【文献】英国特許1026082(GB,A)
【文献】米国特許4238905(US,A)
【文献】英国特許1026082(GB,A)
Attorney, Agent or Firm:
Keiichi Yamamoto