Coupling with latch mechanism

Details Coupling with latch mechanism Coupling with latch mechanism

2004-07-15

2008-10-14

Hewitt, James M (Department: 3679)

Pipe joints or couplings

With means blocking release of holding means

Key or pin

C285S081000, C285S308000, C285S317000, C285S318000

Reexamination Certificate

active

07434842

ABSTRACT:
A coupling apparatus having coupling body with a mechanical latch assembly. The mechanical latch assembly includes a modified latch plate. The latch plate defines a main portion having a top end and a bottom end and includes an annular aperture disposed between the top and bottom ends. A lever portion is disposed proximate the top end. The lever portion enables the latch plate to move within a coupling body, so as to operate the mechanical latch assembly in a released position and a latched position. A raised edge is disposed about a portion of the annular aperture. The raised edge is disposed proximate the bottom end and extends radially inward of the inner edge defined by the annular aperture. A pin opening is disposed proximate the bottom end opposite of the lever portion. The pin opening is positioned radially outward from the annular aperture, and defines a separate enclosed edge.

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patent: 7040670 (2006-05-01), Madden
patent: 479 098 (1948-01-01), None
patent: 479 098 (1948-01-01), None

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