#Rotating circular bookshelf 2 ft tall registration#
A quality mortise and tenon joint gives perfect registration of the two pieces. You may pin or wedge it to lock in place. Normally, you use glue to make this joint. You call the hole in the second piece a mortise. You call the end of the first piece a tenon. You insert one end of a piece into a hole in the other piece. Normally you use it to join two pieces of wood at 90-degrees. CN CN201620843861.One of the strongest woodworking joints is the mortise and tenon joint.Priority Applications (1) Application NumberĪpplications Claiming Priority (1) Application Numberįamily ID=58780050 Family Applications (1) Application NumberĬN201620843861.0U Expired - Fee Related CN206213597UĬited By (1) * Cited by examiner, † Cited by third party Publication numberĪ kind of automatic bookcase revolving for being easy to search CN201620843861.0U A kind of rotary bookshelf a kind of rotary bookshelf according to claim 1, it is characterised in that：The bookshelf（1）With lower bookshelf（2） There is unstable waving, it is ensured that unilateral locking.Ĥ. On 3, sliding bearing 6 is installed on the shelf.The retaining mechanism includes the ratchet 7 being fixedly connected with support bar 4, ratchet 7 and branchĭouble ratchets 8 on support seat 3 cooperate and realize locking.Ratchet mechanism can avoid bookshelf and lower bookshelf during single direction rotation The two ends of support bar 4 are connected with bookshelf 1 and lower bookshelf 2 respectively by sliding bearing 6, wherein, rolling bearing 5 is arranged on support base Retaining mechanism locking is crossed, the rotating mechanism includes support bar 4, and the middle part of support bar 4 is connected by rolling bearing 5 with support base 3, The top of frame 1 to ground height be 1.8-2m.Bookshelf 1 and lower bookshelf 2 are arranged on support base 3 and are led to by rotating mechanism 239000002699 waste material Substances 0.000 description 1Īs Figure 1-5, a kind of rotary bookshelf, including bookshelf 1 and lower bookshelf 2, in order to meet applicability, submit a written statement to a higher authority.238000005516 engineering process Methods 0.000 description 1.238000005096 rolling process Methods 0.000 claims abstract description 6.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 China Three Gorges University CTGU filed Critical China Three Gorges University CTGU Priority to CN201620843861.0U priority Critical patent/CN206213597U/en Application granted granted Critical Publication of CN206213597U publication Critical patent/CN206213597U/en Status Expired - Fee Related legal-status Critical Current Anticipated expiration legal-status Critical Links Original Assignee China Three Gorges University CTGU Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventor 井沛然 胡晓 李建辰 黄利燕 孙芳君 胡成 蒋生发 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.) Expired - Fee Related Application number CN201620843861.0U Other languages Chinese ( zh) Google Patents CN206213597U - A kind of rotary bookshelf CN206213597U - A kind of rotary bookshelf
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