US PATENT SUBCLASS 401 / 65
.~.~ Step-by-step

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}
65.~.~ Step-by-step {2}
66  DF  .~.~.~> Rack and pawl mechanism
67  DF  .~.~.~> Alternately grasping chucks

DEFINITION

Classification: 401/65

(under subclass 55) Implement wherein the advancing means includes an element that is adapted to be moved cyclically and means actuated by such cyclic movement for causing a corresponding series of intermittent and unidirectional movements of the piece of material along the guide# path and through the opening.

(1) Note. The term "cyclically" is intended to mean that the element is adapted to be moved from an original point through a path of travel and returned to the original point.

SEE OR SEARCH THIS CLASS, SUBCLASS:

53, for an implement wherein advancing means, including a cyclically movable element and an associated means for causing movement of the piece, is operative only when the tool end of the piece of material is at a single predetermined location (e.g., aligned with a surface-contacting actuator) so that movement of the piece is limited to a single predetermined increment from the aligned position.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

88, for means, per se, other than gearing, adapted to convert reciprocating or oscillating motion to intermittent unidirectional motion. 226, Advancing Material of Indeterminate Length,

120+, for apparatus comprising an intermittent material-mover for advancing material of indefinite length.