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Magnetic tape guide drum with grounding device
   
Document Number
US Patent 4623944
Issued Date
November 18, 1986
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Inventors
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Abstract
A magnetic tape guide drum for a magnetic video recording and playback apparatus has a rotary magnetic head and is adapted for guiding a magnetic tape traveling spirally about the drum. The drum includes a rotary drum portion, a stationary drum portion and a shaft secured to the rotary drum portion and supported rotatably by the stationary drum portion for rotating the rotary drum portion. A grounding device is provided in the stationary drum portion and held in sliding contact with the peripheral surface of the shaft.
Drawing
Magnetic tape guide drum with grounding device - US Patent 4623944 Drawing
Drawing from US Patent 4623944
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Number of Claims:
7
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Published
November 18, 1986
Application Number
06/637,165
Filed
August 2, 1984
US Classification
360/84   360/271.8 360/85
Int'l Classification
G11B   5/10   (20060101)   G11B   5/11   (20060101)   G11B   15/61   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Priority Data
Aug 02, 1983 [JP] 58-119828[U]
USPTO Field of Search
360/84   360/85   310/232   310/233   310/234   310/235   310/236   310/249   310/248   310/251   29/826  
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Claims
Description
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