US PATENT SUBCLASS 401 / 76
.~.~.~.~ Keyed blade-like or eye-headed screw member

Current as of: June, 1999
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401 /   HD   COATING IMPLEMENTS WITH MATERIAL SUPPLY

49  DF  SOLID MATERIAL FOR RUBBING CONTACT OR SUPPORT THEREFOR {6}
55  DF  .~ Including means to advance material {15}
68  DF  .~.~ Screw feed {8}
75  DF  .~.~.~ Including means to positively transmit rotation to sliding screw-feed member {2}
76.~.~.~.~ Keyed blade-like or eye-headed screw member

DEFINITION

Classification: 401/76

(under subclass 75) Implement wherein said one of said members comprises a threaded shaft which (1) is of flattened shape, in whole or in part, having a cross-section of which one lateral dimension is greater than the other, of (2) has an end portion bent in the form of a loop which is coplanar with the shaft and has portions extending laterally on two sides of the axis of the shaft, and wherein the element has an axially extending bore conforming to and slidably coupled with the flattened part of the shaft or the loop.

(1) Note. The widened portion may comprise a pinched crimped portion of the shaft whose cross-section is thereby changed from circular to ribbon like; or the end of the shaft may be bent into a hook or loop.