Patent Number: 6,332,703

Title: Lighting device

Abstract: A lighting device 10, having a light irradiation portion 11 comprised oflight-emitting elements; a freely turnable flexible shaft 12; extendibleportions 13 that support the said flexible shaft at the base, house theflexible shaft, and provide a nested housing for each one of theextendible portions within one another; a drive portion 14 that drives thelight irradiation portion; a power supply portion 15 that supplieselectric power to the drive portion; and a case 16 covering the driveportion at least, which more preferably covers the extendible portions, aswell. Moreover, this includes ones having a spring mechanism that allowssaid extendible portions and said flexible shaft to freely extend, and bythe spring mechanism, as the flexible shaft extends, said nestedextendible portions can be extended in succession.

Inventors: Tamaoki; Keiko (Sendai, JP), Minato; Kiyotaka (Utsunomiya, JP), Tamaoki; Satoshi (Sendai, JP)


International Classification: F21V 21/14 (20060101); F21V 21/30 (20060101); F21V 21/32 (20060101); F21V 21/22 (20060101); F21V 007/04 ()

Expiration Date: 12/25/2014