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Double connector for connecting two bodies
| Details |
Inventors: Lind, Stefan;
Assignee: fischerwerke, Artur Fischer GmbH & Co. KG (Waldachtal, DE)
Primary Examiner: Dorner; Kenneth J.
Assistant Examiner: Kim; Harry C.
Attorney, Agent or Firm: Striker; Michael J.
The double connector for connecting two bodies, especially for connecting two slabs of stone, marble or the like, consists of two anchoring elements (4,5), one in each body being connected, and a sleeve-like connecting piece (1) including two stud parts on opposite ends. The connecting piece (1) is connectable with the stud parts on the anchoring elements located in drilled holes provided in the bodies. So that the double connector, in addition to having a simple assembly, can absorb comparatively large tensile and compressive forces, at least one anchoring element (4,5) consists of an expansion element (7) received in one (13) of the drilled holes and a anchor core (6) consisting of a cone (8) and a bolt part (6') extending from the cone (8) and provided with a bolt collar (9) spaced from the cone (8). The bolt collar (9) of the bolt part (6') engages or locks in a suitable undercut (15) provided in one of the stud parts. The expansion element (7) is braced in the drilled hole (13) when the anchor core (6) connected with the stud part with the undercut is inserted onto it due to engagement of the expansion element (7) with the end face (E) of the stud part so as to secure the double connector in the drilled hole (13). |
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DETAILED DESCRIPTION We claim: 1.
A double connector for connecting two bodies, said double connector consisting of a sleeve-like connecting piece (1) and two anchoring elements (4,5); wherein said sleeve-like connecting piece (1) has opposite ends and includes a stud part (2,3) at each of said opposite ends; wherein at least one (5) of the two anchoring elements (4, 5) consists of an expansion element (7) and an anchor core (6) including a bolt part (6') provided with a bolt collar (9); and wherein at least one (2) of the stud parts (2,3) has an end face (E) for engaging said expansion element (7) and an undercut (15) into which said bolt collar (9) of said bolt part (6') is insertable to secure the at least one (2) of the stud parts and the at least one (5) of the two anchoring elements together as said expansion element (7) is expanded by said end face (E).
2.
The double connector according to claim 1, wherein the anchor core (6) includes an expansion cone (8) extending from the bolt part (6'), said expansion element (7) is in the form of a wave-shaped ring engaged on the expansion cone (8) of the anchor core (6).
3.
The double connector according to claim 1, wherein the bolt collar (9) provided on the bolt part (6') is provided with a chamfer (11) inwardly tapering toward the bolt part (6') in an insertion direction (P) of the anchor core (6) into the at least one (2) of the stud parts.
4.
The double connector according to claim 1, wherein another (2a) of the stud parts of the sleeve-like connecting piece (1) is provided with an internal thread (19) and another (4a) of the anchoring elements includes another anchor core including another bolt part (6a') provided with an external thread (20) in which said internal thread (19) is engageable so that the other anchor core (6') can be screwed in the other stud part (2a).
5.
The double connector according to claim 4, wherein the sleeve-like connecting piece (1) includes a polygonal stop collar (17) between the stud parts.
6.
The double connector according to claim 1, wherein said at least one (2) of the stud parts provided with said end face (E) has at least one slot (16) in said end face (E) so that said at least one (2) of the stud parts is expandable during insertion of said bolt part (6') in said at least one (2) of the stud parts
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