Patent ID: 8985888
Filing Date: 2015-03-24
Classification: E04B,F16B,Y10T

Abstract:
1. A modular connector for attaching prefabricated walls and columns comprising: a body structure having an internal chamber with an opening at one end and a closed base opposite of the opening with a multistage notch structure having a plurality of chamber stages in the internal chamber, each chamber stage has one or more chamber recesses and one or more chamber protrusions; a modular bolt having an external multistage protrusion structure with a plurality of bolt stages, each bolt stage has one or more bolt protrusions and one or more bolt recesses, wherein one or more of the bolt stages couple with one or more of the chamber stages when the modular bolt is received into and coupled with the internal chamber; and a moveable butting structure having a butting element coupled to a biasing element, the moveable butting structure located within the internal chamber and having the biasing element abutting a surface of the closed base, the moveable butting element being adapted to move toward the base upon being contacted by an end of the modular bolt such that a relative position of the moveable butting element and opening is adjustable.