End of travel stop device for an electric motor drive mechanism

Details End of travel stop device for an electric motor drive mechanism End of travel stop device for an electric motor drive mechanism

1984-03-05

1985-04-30

Weldon, Ulysses

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318444, H02P 104

Patent

active

045146691

ABSTRACT:
Contact wear and damage to circular tracks of an end of travel stop arrangement for electric windshield wipers is minimized by the configuration and orientation of the contact. The contact takes the form of a bent end of a contact arm which engages the track with an elongated end edge that extends at an angle greater than zero and less than 90.degree. to the transverse or radial centerline of an insulating sector between ends of a conductive track. The so-angled contact edge slides easily over the junction between conducting and insulating sectors of the track.

REFERENCES:
patent: 2777907 (1957-01-01), Hooker
patent: 3030460 (1961-04-01), Huetten et al.
patent: 3483459 (1969-12-01), Kearns

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