Single-leaf spring of frameless windshield wiper

The utility model discloses a single spring plate of a bone-free screen wiper which belongs to the technical field of manufacturing vehicle screen wiper. The utility model includes a striped elastic plate body which is the steel frame body of the bone-free screen wiper; besides, the striped elastic plate body consists of one spring plate. 4 to 8 pairs of clamping holes are arranged on the spring plate; each pair of clamping holes are fixed with a clamping buckle. The clamping buckle is provided with two clamping pins which form an open slot used for fixedly connecting a rubber scraping strip. The central part of the spring plate is provided with a connection slot-shaped opening connected with a screen wiper joint. A single spring plate structure is adopted by the steel frame of the screen wiper, thus being perfectly combined with aerodynamics to completely eliminate the movement joggling of a vehicle when running at a high speed caused by the wind power and reduce the abrasion of the scraping strip to glass t