Patent ID: 9500215
Filing Date: 2016-11-22
CPC Classification: F16B,Y10T

Claim Text:
1. A link mechanism, comprising: a plurality of plates, each plate having a plurality of coupling holes formed to pass therethrough, each coupling hole comprising a through-hole having a first diameter and a seating groove having a second diameter which is larger than the first diameter of the through-hole and the through-hole and the seating groove formed on a surface of each plate to form a step between the through-hole and the seating groove, wherein each of the coupling holes has the same size and shape and is disposed at an interval in at least one of a column direction and a row direction; and a plurality of coupling pieces, each coupling piece comprising, wherein at least one of the coupling pieces is inserted into at least one of the coupling holes of two or more plates to couple the two or more plates to each other.