Patent ID: 8519861
Filing Date: 2013-08-27
Classification: B25F,G02B

Abstract:
1. A tool assembly comprising: a frame that defines a datum surface; a bubble level mounted to the frame, the bubble level being configured to indicate a levelness condition of the tool assembly; a controller coupled to the frame; a light system coupled to the frame, the light system comprising a light source and a diffuser, the controller being configured to selectively control the light source based on the levelness condition of the tool assembly such that the light source generates light of a first color when the levelness condition of the tool assembly is a first condition and generates light of a second, different color when the levelness condition of the tool assembly is a second, different condition, the diffuser receiving light generated by the light source and being disposed about the bubble level such that the light generated by the light source emanates around the bubble level from three adjacent sides of the tool assembly.