Abstract: A device for detecting the profile of the rolling surface of a rolling body, in particular a tread of a tire for a vehicle includes a light source and an optical assembly configured for processing a first light beam emitted by the light source. The first light beam is a planar light beam having a divergent course, and the light source is configured for the emission of the first light beam towards the optical assembly. The optical assembly includes at least one first refractive member configured for collimating at least one portion of the first light beam incident thereon into a measurement beam that is directed towards a measurement section of the device to impinge upon the rolling surface.

Abstract: A tire tread depth measurement system includes a scanner and smart phone that fit into the palm of a user either directly or attached to a glove. The technician obtains tread depth data by moving her hand holding the scanner over a tire profile. The scanner communicates with a nearby control box that uploads the data to a server for determination of tread depth, tire wear pattern and wheel alignment. The tire tread analysis is downloaded to the control box and reported to the technician via the smart phone. The smart phone is programmed to identify the vehicle and related information about it based on the license plate or vehicle identification number by interpreting the license number or VIN and interrogating various data bases via the internet. Wear and analysis results are forwarded for printing the entire report.