Electrically driven hand mixer with knife-like tool interlock

Details Electrically driven hand mixer with knife-like tool interlock Electrically driven hand mixer with knife-like tool interlock

1992-07-28

1994-05-31

Hornsby, Harvey C.

Agitating

Operator supported

366601, 200 4301, 310 68A, B01F 1304

Patent

active

053163826

ABSTRACT:
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.

REFERENCES:
patent: 3299924 (1967-01-01), Hanschitz
patent: 3533600 (1970-10-01), Gerson
patent: 3595093 (1971-07-01), Du Bois
patent: 3604114 (1971-09-01), Swanke
patent: 4405998 (1983-09-01), Brison
patent: 4850699 (1989-07-01), Rebordosa
Krupps, Program '87 (three sheets), month unknown.

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