![]() Said flange is characterized by a guide hole A pit depth gauge device as defined in claim 5, and wherein: ![]() Guide and stop means, cooperable between said first and second members for limiting movement of said members outwardly of one another.Ħ. A pit depth gauge device as defined in claim 4, and further comprising: Said stylus shaft portion having its end fixed to said flange.ĥ. Said second member comprises a radially extending flange substantially congruent with said first cylindrical wall and A pit depth gauge device as defined in claim 3, and wherein: ![]() Said first cylindrical wall being of larger diameter than said second cylindrical wall and characterized by a guide opening in which said shaft portion is received, and an axially extending slot in which said point portion is movable.Ĥ. Said stylus comprises an elongate shaft portion and a pit engaging point portion at one end of said shaft portion and Said first and second members comprise first and second concentric cylindrical walls, respectively A pit depth gauge device as defined in claim 2, and wherein: Said first and second members define a cavity between said first and second end walls, said cavity being freely flooded when said device is underwater.ģ. A pit depth gauge device as defined in claim 1, and wherein: Spring means, acting between said members, for normally urging said members to move outwardly of one another and for resiliently allowing said members to be pressed inwardly Ī stylus, having a sharp point, fixedly mounted on said second member and movable axially there with between retracted and extended positions relative to said outer surface of said first end wall for engagement in a pit in said inspection surface, whereby said transducer face is positioned at a distance from said reflecting surface that is related to the depth of said pit.Ģ. A pit depth gauge device for use with an ultrasonic probe includingĪ transducer having a transmitting and receiving face, said device comprising:Ī hollow, cup-shaped first member having a first end wall presenting an outer surface adapted to be pressed against an inspection surface and an inner, acoustically reflecting surface Ī hollow second member telescopically mounted for axial relative movements between said members and having a second end wall in which an acoustic energy port is defined, said second adapted to be mounted on said probe with said port in registration with said transducer face ![]()
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