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Telescopic arm for a PC table

A telescopic and sleeve technology, which is applied in the field of computer desks, can solve the problems that the clamping coupling is easy to loosen, the friction force cannot maintain a constant state, and the clamping coupling is worn.

Inactive Publication Date: 2014-05-07
依考纳斯股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the pillars of the prior art is that the friction force cannot be maintained in a constant state during use
Clamping couplings wear and tend to loosen as the joint pivots back and forth

Method used

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  • Telescopic arm for a PC table
  • Telescopic arm for a PC table
  • Telescopic arm for a PC table

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] figure 1 Shown is a computer desk including desktop 1. The desktop is connected with a swivel joint 2 which is in turn connected with an upper arm 3 . The upper arm is connected to a swivel arm or telescoping column 4 which in turn is connected to a lower arm 5 and a clamp connection 6 . The telescoping column 4 can vary in length and can rotate about a longitudinal axis with suitable friction.

[0010] The telescopic column 4 includes an outer sleeve 7 connected to the lower arm 5 , a swivel ring and a locking clip mechanism arranged inside the outer sleeve 7 . Internal agencies such as figure 2 shown as an exploded view. The mechanism comprises a shaft 10 which is connected to the upper arm 3, for example screwed. Said shaft 10 runs in a telescoping sleeve 11 . The shaft is rotatable relative to the sleeve and the friction between the shaft and the sleeve is determined by a spring washer 12 arranged between the screw head 13 of the rotating shaft 10 and the end...

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PUM

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Abstract

Rotating telescopic column that includes an outer sleeve (7) with a number of interior cams, a telescopic sleeve (11) located inside the outer sleeve (7) and that has a corresponding number of outer slots (15), as the cams in the outer sleeve (7) is designed to intervene in the slots (15) in the telescopic sleeve (11) and thereby prevents the telescopic sleeve from turning relative to the outer sleeve, a locking clamping mechanism attached to the outer sleeve (7), and grip the telescopic sleeve (11), and is designed to lock the telescopic sleeve to the outer sleeve when the telescopic sleeve is in a selected position relative to the outer sleeve, an axle (10) located inside the telescopic sleeve (11) and is rotatable in relation to this.

Description

technical field [0001] The invention relates to a rotatable telescopic column. The columns have general use, but are particularly suitable for use in furniture, more particularly computer desks. Background technique [0002] The applicant sells a computer desk on the market, which includes a desktop that can carry a computer, specifically a portable computer, commonly referred to as a notebook computer. Computer desks include an arm that carries the desk itself. The arm is connected to a column, adjustable in height and rotatable, which in turn is connected to a piece of furniture. The arm must be swingable into and out of the user's workspace so it is easy to place in the proper working position and be able to swing out of the working position when not in use. The height-adjustable column includes a clamping coupling that locks the column at the desired height with appropriate friction to allow the arm to rotate. A disadvantage of prior art pillars is that the friction ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47B17/03A47B83/02A47B96/18A47B21/03A47B23/02A47C7/70
CPCA47B17/033A47B83/02A47B21/0314A47C7/70A47B23/02A47C7/705A47B83/001A47B2021/0307A47B2200/0075A47B2200/0076A47B13/00
Inventor W·加纳斯
Owner 依考纳斯股份公司