US PATENT SUBCLASS 401 / 55
.~ Including means to advance material

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.~ Including means to advance material {15}
56  DF  .~.~> Including means to selectively replenish guide
57  DF  .~.~> Including means to sequentially replenish guide
58  DF  .~.~> With reinforcement for tool
59  DF  .~.~> Inter-related with movable closure {1}
61  DF  .~.~> Including removable cap for inactivating advancing means
62  DF  .~.~> And additional means to retract from operative position
63  DF  .~.~> And means to eject piece from advancing means {1}
65  DF  .~.~> Step-by-step {2}
68  DF  .~.~> Screw feed {8}
80  DF  .~.~> With resilient braking means
81  DF  .~.~> By spring pressure
82  DF  .~.~> Including manual actuator {2}
85  DF  .~.~> With storage chamber for additional piece(s)
86  DF  .~.~> Including specific element-coupling or retaining means
87  DF  .~.~> Including specific carrier or guide

DEFINITION

Classification: 401/55

(under subclass 49) Implement, including a guide# for the piece, and means to move such piece along the guide and through the opening in the guide to a use position of the tool*.

(1) Note. Such a modification of a piece of material, or of

an expendable sheath#, as a screw thread formed therealong which cooperates with a cam element in a holder or sleeve is considered to be advancing means for this subclass. However, a patent to an implement consisting of a piece in an expendable-sheath not so modified and a point-protector therefor will be placed elsewhere (see search note below).

(2) Note. A patent will be placed in the appropriate subclass indented hereunder when a claim therein includes the subject matter of the indented subclass and an element, at least, of a disclosed means to advance a piece of material, which might be the feed guide.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29+, for an implement including a plurality of coating tools (e.g., solid-material tools) of which at least one is projectable to a use position or retractable within an enclosing member.

54, for an implement including (1) an assemblage comprising a guide and means to advance a piece of solid coating material through an opening in the guide, (2) a support for the unit, and (3) means for cushioning the unit in the support. 91, for patents to an implement consisting of a piece in an expendable-sheath not so modified and a point-protector therefor.

99+, for an implement of this class adapted to utilize fluent coating material and having a projectable and retractable tool.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

429+, and 433, for an implement including a guide and means to advance a piece of erasive material to and through an opening in the guide to a use position.

226, Advancing Material of Indeterminate Length, appropriate subclasses, for means to advance material of indefinite length.