(under the class definition) Apparatus (1) claimed in combination with features other than impeller structure, supporting or attaching means therefor or impeller driving or driven means and not provided for in preceding subclasses or (2) having means or parts capable of structural rearrangement or modification to selectively provide either an impeller organization having some other mode of operation or a device of some other description.
(1) Note. Included in this definition as impeller driving
or driven means includes transmission clutch or brake means insofar as such apparatus is part of the driving or driven means.
(2) Note. Examples of a combined feature are: a programmer, a timer, or check controlled apparatus to control operation, or a cleaner for the working member. An example of a convertible feature is an oar which is relocated or rearranged to act as a sail or a mast.
(3) Note. Excluded as combined features under this definition are the necessary appurtenances for any relatively moving surfaces (e.g., lubricating, sealing, bearing or packing elements, etc.).
SEE OR SEARCH THIS CLASS, SUBCLASS:
54+, for the combination of an impeller with an "art device" wherein the device causes operation of the impeller. 62, for a device comprising an attachment attachable and detachable to the working surface, but which does not result in a "convertible" feature, i.e., does not result in a different mode of operation or in a device of some other description.
