Lifting device

A technology of lifting device and lifting table, which is applied in the field of pillar structure, can solve the problems such as difficulty in attracting dust, and achieve the effect of reliable capture

Inactive Publication Date: 2008-03-26
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, as the lifting device becomes larger and the overall length of the pillar becomes longer, it is difficult to attract all the dust generated on the upper part of the pillar by erecting the lower frame with the pillar

Method used

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Experimental program
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Embodiment Construction

[0019] The best modes for carrying out the invention are enumerated below.

[0020] (Aspect 1) The strut has a strut body and an outer cover. The pillar main body is hollow, and an opening is provided on a side surface of the pillar main body, and the fan filter unit is fixed to the opening. (Form 2) Sprockets are provided at the upper end and lower end of the pillar, and a roller chain (hereinafter also referred to as a suspension chain) as a hanging material is erected, and the roller chain passes through the outer wall of the side surface inside the pillar and pillars hollow inside. (Aspect 3) A moving block that supports the elevating table and performs an elevating operation is fixed to the roller chain along the wall surface outside the pillar. A counterweight is fixed to the roller chain located inside the strut. Weight balance is achieved through counterweights and lifting tables.

[0021] Embodiments of the lifting device to which the present invention is applied ...

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PUM

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Abstract

A lifting device is provided, reliably catching generated dust and leading clean-room to avoid pollution. A support main body (3) of the lifting device (1) has opening part (5), built-in a fan filter unit (4) and is integrated.

Description

technical field [0001] The invention relates to a lifting device with a pillar and a lifting platform that can be lifted and lowered freely along the pillar. In particular, it relates to the structure of the pillars of an elevating device that conveys articles to a designated position in a clean room and takes out and puts in articles at a predetermined height. Background technique [0002] When the lifting device is used for transportation in a clean room, in order not to make itself a source of dust generation, sufficient measures are taken to minimize dust generation and prevent the generated dust from scattering into the clean room. [0003] A lifting device is disclosed in Patent Document 1. The lifting device has: a lower frame; a pillar erected on the lower frame; track contact. A cleaning unit is installed on the lower frame to attract the dust generated due to the contact between the upper track and the guide roller. [0004] Patent Document 1: Japanese Patent Ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G1/04B65G35/00
CPCB01D46/10B65G1/02B65G1/04B65G2812/02158
Inventor 盐饱保
Owner MURATA MASCH LTD
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