Team Lit Week 5 Deliverables: Patent/Product Search Justin Ballenger Brian Barker Greg Hahn Chow He Jon Klopf Vi-Vi Nguyen

Objectives Problem Statement –To create an affordable device to be used in the changing of a standard 4 ft long fluorescent light bulb Weekly Deliverable –Patent and Product Search

Existing Fluorescent Bulb Changer RITE-O-GRIP 6-ft long base unit Up to 2, 6-ft extensions Replaces any slim line spring type fluorescent tube Grips bulb but does not rotate it Does not have aiming mechanism Price $

Standard Light Bulb Changer Motorized Light Bulb Changer –US Patent # 6,941,841 –April 12, 2004 Motorized clasping device –2 directional Clasping Rotating Arm for alignment

Standard Light Bulb Changer Overhead Light Bulb Changer with Safety Catch Canopy –US Patent # 6,553,872 –October 3, 2001 Simple suction/clamping device Canopy connected to pole/telescoping tube to catch light bulb should suction/clamping device drop bulb

Extension Mechanism Step-zoom lens –US Patent #6,940,658 –December 10, 2003 A step-zoom lens includes two movable lens groups; –a lens group support unit –a cam ring having a cam groove. Cam groove includes a finite number of focal-length steps to perform a focusing operation between infinite and closest positions at each focal-length step.

Extension Mechanism Telescoping slide assembly –US Patent #6,938,967 – December 12, 2002 Includes interconnected mounting, intermediate and stationary slide elements Relatively movable to extend and retract the mounting and intermediate slide elements Intermediate slide element includes a rib that engages a mounting slide lock

Redesign of Socket Socket for fluorescent lamp –US Patent #4,198,108 –November 13, 1978 Slide bulb pins into slots a certain distance then further force tilts socket outward until pins are in crevices, socket returns straight and bulb is retained.

Redesign of Socket Socket for fluorescent lamps –US Patent #5,855,487 –March 31, 1997 Bulb slides into slots and is held in place by a spring loaded stop hook. Removal is by pressing stop hooks outward and allow pins to pass by.

Redesign of Socket with Positioning Fluorescent lamp housing –US Patent #4,535,393 –November 10, 1983 Bulb inserted and positioned with manipulator tabs

Existing Fluorescent Tubes Long life fluorescent lamp –US Patent #6,683,407 –July 2, 2001 Mercury vapor discharge lamp

Fluorescent light tube adaptor –US Patent # 6,932,493 –July 27, 2001 Adapts fluorescent tube to a housing Fluorescent tube end inserts into adaptor