![]() ![]() Set up rotatory bolt and conveniently accomodate into main scale bottom after the auxiliary ruler is rotatory, splice first main scale and second main scale through tenon fourth of the twelve earthly branches structure simultaneously, both can prolong the live length of main scale, also conveniently dismantle the main scale, reduced the overall size of T type chi, conveniently carry. ![]() The utility model relates to a novel T-shaped ruler, which comprises a main ruler with scales and two auxiliary rulers with scales, wherein one end of the main ruler is provided with an L-shaped fixed ruler, and the two auxiliary rulers are arranged in a fixed cavity side by side and are respectively hinged with the upper inner wall and the lower inner wall of the fixed cavity through rotating bolts the main scale includes first main scale and second main scale, and first main scale bottom surface is equipped with the spout, and the second main scale surface is equipped with the draw runner with spout matched with, and first main scale passes through mortise and tenon joint structure fixed connection with the second main scale, and mortise and tenon joint structure is including setting up the mortise on supplementary chi terminal surface is kept away from to first main scale and setting up the tenon on the relative terminal surface of second main scale and first main scale, and the mortise is including aqueduct and the fixed slot that sets up side by side and communicate each other. 238000006011 modification reaction Methods 0.000 description 2.238000005859 coupling reaction Methods 0.000 claims description 2.238000010168 coupling process Methods 0.000 claims description 2.230000000875 corresponding Effects 0.000 claims description 2.238000007906 compression Methods 0.000 claims description 5.230000000576 supplementary Effects 0.000 claims abstract description 7.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Nanjing Institute of Mechatronic Technology filed Critical Nanjing Institute of Mechatronic Technology Priority to CN202120071562.0U priority Critical patent/CN214112095U/en Application granted granted Critical Publication of CN214112095U publication Critical patent/CN214112095U/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links Original Assignee Nanjing Institute of Mechatronic Technology Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Nanjing Institute of Mechatronic Technology Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 赵颠 丁宇 卢彬 沈婷婷 周建兰 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number CN202120071562.0U Other languages Chinese ( zh) ![]()
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