	US 7,537,247 B2
	Locking part for a rapid coupling
Michael Trede, Habsheim (France); Jean-Martin Henlin, Waldighoffen (France); and Axel Feger, Lorrach (Germany)
Assigned to A. Raymond Et Cie, Grenoble (France)
Appl. No. 11/718,913 PCT Filed Oct. 20, 2005, PCT No. PCT/EP2005/011261 § 371(c)(1), (2), (4) Date May 09, 2007, PCT Pub. No. WO2006/053620, PCT Pub. Date May 26, 2006.
Claims priority of application No. 10 2004 054 467 (DE), filed on Nov. 11, 2004.
Prior Publication US 2008/0111372 A1, May 15, 2008
Int. Cl. F16L 37/00 (2006.01)

U.S. Cl. 285—305 [285/308]

3 Claims

1. A locking element for a quick connector for coupling a receiving element and an insertable element, the receiving element having a front side and the insertable element having a retaining ring and insertable into the receiving element along an insertion direction, said locking element comprising:

a matable element including a bearing wall, a pair of side walls, and a pair of inwardly directed projections disposed on free ends of said side walls and spaced from said bearing wall along the insertion direction, said bearing wall abutting the front side of the receiving element and said inwardly directed projections releasably engaging behind the front side of the receiving element to releasably attach said matable element to the receiving element, said matable element also including a front wall disposed on a side of said bearing wall facing away from said inwardly directed projections, and a pair of guide rails disposed between said bearing wall and said front wall; and

a separate actuating element mounted within said matable element for movement between a released position and a locked position, said actuating element including a locking device engageable with the retaining ring of the insertable element, said locking device including two laterally disposed arms displaceably mounted in said guide rails, and a cover plate connected to said arms.