Coupling, and socket and plug for use in the coupling

Details Coupling, and socket and plug for use in the coupling Coupling, and socket and plug for use in the coupling

2011-04-19

2011-04-19

Bochna, David E (Department: 3679)

Pipe joints or couplings

Essential catch

With manipulator

C285S277000

Reexamination Certificate

active

07926855

ABSTRACT:
A coupling according to the present invention has a socket (2) and a plug (30) that is inserted into and connected to the socket. The socket includes a socket body (10) having a first through-hole (13b) for a plug-locking element (12b) and an elongated second through-hole (13a) for a sleeve-actuating element (50), and a sleeve (50) set around the socket body. The sleeve is urged by a spring member (15) toward a position for pressing the plug-locking element (12b) against a locking recess (34) of the plug to prevent the plug from slipping out of the socket. The sleeve has a locking surface (50b) that presses the plug-locking element in the position described above. When being inserted into the socket, the plug engages with the sleeve-actuating element to move the sleeve rearward, thereby disengaging the locking surface from the plug-locking element.

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International Search Report issued Dec. 18, 2007 in the International (PCT) Application No. PCT/JP2007/072613.

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