Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-06-01
1991-07-02
Weldon, Ulysses
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
188 77W, 248284, 248917, 248919, 340700, G09G 302
Patent
active
050289136
ABSTRACT:
An angle adjusting device for a display device includes a fixed axis and a rotatable axis of the same diameter fixed on a display and a main body. The axes coaxially abut each other, and a coil spring is closely wound on the abutting portions of the axes. An end of the spring abuts a step portion of the fixed axis and the other end abuts an operating piece integrally provided on the rotatable axis when the display is open in vertical position. Opening energy is stored in the coil spring when the display is folded into the main body so as to open up the display automatically when unlocked. An angle adjusting operation is performed arbitrarily by an operator by using the friction between the coil spring and the rotatable axis.
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Frahm Eric
NHK Spring Co. Ltd.
Weldon Ulysses
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