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Patent No. 5971829

Motorized Ice Cream Cone

A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.

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Class 318/534 - Plural, diverse or diversely connected or controlled field circuit impedances


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which two or more impedances are provided
No. of patents: 3
Last issue date: 06/09/1987


NumberTitleIssue Date
4672291Variable-speed electrical machine
This invention pertains to an electrical machine whose excitation is coordinated to the respective rpm in such a fashion that a desired characteristic of induced voltage or delivered output is produced. For that purpose at least one portion of the winding...
06/09/1987
4144482Dynamic brake circuit for motor
A brake circuit for a universal motor having an armature and a field winding normally connected in series therewith, the circuit including switch means operable to disconnect the power source and electrically connect the armature in series with the field ...
03/13/1979
4019106Motor speed control
A switch for speed control of an electric motor driven vehicle employs a combination of resistance switching, field weakening and voltage switching. A mechanical switch assembly has a speed switch and a voltage switch that are interconnected so that the v...
04/19/1977
 
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