US PATENT SUBCLASS 279 / 43.9
.~ With means to exclude contaminants; e.g., seal, shield

Current as of: June, 1999
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279 /   HD   CHUCKS OR SOCKETS

9.1  DF  SOCKET TYPE {27}
43.9.~ With means to exclude contaminants; e.g., seal, shield

DEFINITION

Classification: 279/43.9

With means to exclude contaminants; e.g., seal, shield:

(under subclass 9.1) A device having a gasket or other barrier means which prevents undesired material from entering the resilient split socket.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46.9, for a socket having spring biased jaws and including means to exclude contaminants.