Patent ID: 8994935
Filing Date: 2015-03-31
Classification: G01B

Abstract:
1. A laser alignment apparatus comprises: a central compartment; a plurality of laser modules; a power supply cord; a ceiling attachment system; the central compartment comprises a top cover, a bottom cover, and a lateral cover; each of the plurality of laser modules comprises a rod end bearing, a bearing ring, a connecting tube, a laser device, a spiral wire extension, and a switch; the laser device comprises a device body, an alignment ring, and a pre-selected lens; the plurality of laser modules being positioned around the central compartment; the top cover and the bottom cover being attached to the lateral cover; the top cover and the bottom cover being oppositely positioned across the lateral cover; the power supply cord being extended out from the top cover; the laser device being electrically connected with the spiral wire extension within the device body; the spiral wire extension being electrically connected with the switch within the central compartment; and the switch for each of the plurality of laser modules being electrically connected with the power supply cord within the central compartment.