Tip to tail illuminated pointer assembly

Details Tip to tail illuminated pointer assembly Tip to tail illuminated pointer assembly

1997-05-06

1999-11-16

Hirshfeld, Andrew

Signals and indicators

Indicators

Rotary indicator with actuating means

116332, 362 26, G01D 1128

Patent

active

059838272

ABSTRACT:
A pointer assembly illuminated by a rear circular light source surrounding a pointer axis includes a pointer having an inner portion surrounding the axis and a tip extending radially from the inner portion, a stem for supporting the pointer on a gauge spindle and including a plate for attenuating light transmission to the inner portion, and a cap surrounding the inner portion to prevent unwanted light escape from the assembly and having an elongated opening aligned with the tip. The tip and elongated opening define the illuminated pointer surface. A light collector portion of the tip located near the axis has a curved reflector for uniformly disseminating received light along the length of the tip.

REFERENCES:
patent: 4274358 (1981-06-01), Nakamura et al.
patent: 4860170 (1989-08-01), Sakakibara et al.
patent: 5458082 (1995-10-01), Cookingham

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