Knob with a composite light pipe having a colored face and a light pipe

U.S. Cl. 16-441

12 Claims

US 6,499,191 B1 Knob with a composite light pipe having a colored face and a light pipe Robert K. Howie, Jr., Decatur, Ill. (US) Assigned to The Grigoleit Company, Decatur, Ill. (US) Filed on Jun. 14, 2002, as Appl. No. 10/171,885. Application 10/171885 is a continuation of application No. 09/607060, filed on Jun. 29, 2000, abandoned. Int. Cl.7E05B 1/00 U.S. Cl. 168212;441 12 Claims 1. A composite knob including: a plastic body having a front wall, a passage extending through said front wall, and a composite light pipe having an elongated first portion formed of a clear light transmitting plastic with a light emitting face at one end thereof, and a second portion formed of a colored light transmitting plastic overlaid on said light emitting face of said first portion of said light pipe, said first portion having a light receiving face spaced from said light emitting face with light transmitting distances between said first portion faces, said second portion having a light receiving face and a light transmitting face with light transmitting distances between said second portion faces, said light transmitting distances of said second portion being substantially shorter than said light transmitting distances of said first portion, said light transmitting distances of said second portion being shorter at one end of said light emitting face than at the other end, said composite light pipe positioned in said plastic body with said colored light transmitting overlay located in said passage so as to transmit light to the exterior of said knob.