Braun Aktiengesellschaft

Emilio Rodriguez

Mariano Penaranda

Jose Millan

Desiderio Falco

Josep M Masip I Balduque

Antonio Martinez

An electrically driven handmixer comprises a manually actuated electric switching device for an electromotor with several switch steps (I, II, III) for permanent operation of the electromotor as well as at least one switch step (IL) for short-time operation. A coupling device is used for holding and driving various insertable tools, and an interlock ensures that after the insertion of the blending attachment or other knife-like tool into the coupling device, the electromotor remains separated from the power supply despite the activation of the switch steps (I, II, III) for permanent operation of the electromotor, whereas the electromotor remains connected with the power supply during the manual actuation of the switch step (IL) for short-time operation of the electromotor.

Electrically driven hand mixer with knife-like tool interlock

The brush assembly for electrical motors comprises a housing cap (10) which consists of an insulating material and which closes the motor on its frontal end, the said cap's inner side (16) being provided with projections (7, 8) extending in parallel to the motor axis. These projections (7, 8) are penetrated by openings (12, 13) for the accommodation and fixation of elastic commutator brushes (1, 2). The contact lugs (32, 33) which can be inserted from the outside into the slot-shaped openings (12, 13) are coupled stationarily to the commutator brushes (1, 2) by virtue of a close-fit arrangement (36, 37) designed at the latter.

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Cornella, Spain

Emilio Rodriguez