US PATENT SUBCLASS 172 / 351
.~ Guided or propelled by walking attendant and with ground support or draft means

Current as of: June, 1999
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172 /   HD   EARTH WORKING

329  DF  GUIDED BY WALKING ATTENDANT; SUPPORTED, PROPELLED, OR HELD IN POSITION BY ATTENDANT {7}
351.~ Guided or propelled by walking attendant and with ground support or draft means {11}
352  DF  .~.~> With stepper propulsion means
353  DF  .~.~> With body harness or engaging means
354  DF  .~.~> With wheel {5}
360  DF  .~.~> With wheel substitute (e.g., runner, etc.)
361  DF  .~.~> Handle connected to tool or runner
362  DF  .~.~> Tool standard connected to handle
363  DF  .~.~> Plural handles associated with relatively adjustable tools
364  DF  .~.~> Handle mounted tool adjusting, latching or locking mechanism
365  DF  .~.~> Tool and handle relatively adjustable {1}
367  DF  .~.~> Multiple handles connected to multiple longitudinal tool carrying beams
368  DF  .~.~> Plural handles connected to opposite sides of longitudinal beam {1}

DEFINITION

Classification: 172/351

(under subclass 329) Apparatus comprising (1) an implement having ground support means (e.g., wheel) separate from the earth working means and a separate handle for propelling or guiding the implement, or (2) draft means for propelling the implement and a separate handle for guiding same.

(1) Note. The ground support must act as a depth gauge or support a portion of the weight of the implement.

(2) Note. The draft means under part (2) of this definition may comprise a member for the application of human power such as a body harness. Note subclass 353 indented hereunder for an implement having a harness and separate handle to be propelled and guided by a single attendant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

256+, for a hand guided self-propelled implement.

322, for earth working elements which are attendant manipulated with respect to a ground-supported frame.

371, for tools with handles for manipulating and supporting same (i.e., hand tools). SEE OR SEARCH CLASS

111, Planting,

82, for implements propelled by a walking attendant.