According to information from the state intellectual property agency, yamaha smart equipment, inc., a limited liability company of the changsha city institute of special engineering equipment industrial technology, obtained a patent entitled “a stifling bar locked structure”, authorizing public notice no. Cn 22341191 u, dated december 2024。
The patent summary shows that this practical new type of operation has revealed a tight-locked structure of the stretcher pole, which covers the technical area of the stretcher drill pole, which includes: a inner pole with at least two fixed parts on its outer perimeter and an upper end of the inner pole; an outer pole with a set of inner keys on the outer side of the inner pole and a short inner key on the lower side of the outer pole; a locking device, when the inner and outer poles are fully attached; a locking device and a fixed upper part that can be unconnected; the top of the upper end and a short inner key; and the top of the locking device. Through the use of the elasticity poles provided by this practical new type, it can be easily and effectively locked in multiple dotage poles, and the unit is simple and user-friendly and can be used more widely。
According to astronomical data, mountain river smart equipment inc. Was established in 1999 in changsha city as a predominantly rubber and plastic industry enterprise. The registered capital of the enterprise is rmb 107. 4617. 64 million. Through an eye-to-eye analysis of large data, yamaha smart equipment ltd. Has invested 45 companies abroad, participated in 1428 bidding projects, had 69 trademarks and 1339 patents on property trails, in addition to 279 administrative licences。
