Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Position or guide means
Patent
1975-10-06
1977-10-11
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Position or guide means
403 16, 403369, 403370, F16B 214, F16D 108
Patent
active
040532445
ABSTRACT:
In the embodiment shown, the coupling means comprises an annular wedge which is insertable between the stem and the cutterhead of a raise borer, the wedge being bolted to the cutterhead to effect contact pressure in order that rotary torque will be transmitted from the stem to the cutterhead. A thrust plate is secured to the lower end of the stem in engagement with a lowermost surface of the cutterhead. In addition, a friction locking assembly is used on an underlying or protected portion of the cutterhead to center and locate the stem relative thereto.
REFERENCES:
patent: 1378091 (1921-05-01), Carlsen
patent: 1472565 (1923-10-01), Manning
patent: 2407032 (1946-09-01), Myers
patent: 2634144 (1953-04-01), Friedman
patent: 2810587 (1957-10-01), Boughner
patent: 3257070 (1966-06-01), Kuklinski
patent: 3400905 (1968-09-01), VanDusen
Ingersoll-Rand Company
Kundrat Andrew V.
Murphy Bernard J.
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