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Displacement nut for lifting device, and corresponding lifting device

A lifting device and movement technology, applied in the direction of lifting devices, nuts, bolts, etc., can solve the problems of concentrated and cumbersome components

Inactive Publication Date: 2008-11-05
布拉诺公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the tolerances to be observed between the screw and the separate nut, the design of this structure of a moving nut is considered cumbersome and component-intensive

Method used

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  • Displacement nut for lifting device, and corresponding lifting device
  • Displacement nut for lifting device, and corresponding lifting device

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] The vehicle lift 1 according to the invention comprises a leg 2 which can be rested on a flat base 4 via a foot 3 . The legs 2 are connected to a swingable bracket 5 . A threaded rod 6 extends between the free end of the leg 2 and the free end of the bracket 5 , wherein a base body 7 in the form of a moving nut is arranged on the side of the leg and a support 8 is arranged on the side of the bracket. A handle 9 is connected to the threaded rod 6 via a hinge block 10 , and via this handle the bracket 5 can be moved upward or downward relative to the leg 2 .

[0022] FIG. 2 shows a moving nut 7 according to the invention in different views.

[0023] The moving nut 7 is formed by a basic body comprising two material components, namely an internal threaded portion 11 and a sleeve 12 surrounding the threaded portion. The internal thread portion 11 comprises an internal thread 13 which accommodates the screw 6 and is produced by injection molding from polyurethane with a ca...

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PUM

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Abstract

The invention relates to a displacement nut for a lifting device, especially a mechanical jack (1) comprising a base body (7) which is provided with an internal screw thread (13) for receiving a threaded spindle (6). The invention is characterised in that the base body (7) and the internal screw thread (13) are provided as a single element formed by at least two material components.

Description

technical field [0001] The invention relates to a moving nut for a lifting device, in particular a mechanical vehicle lift, comprising a base body provided with an internal thread for accommodating a screw rod. Background technique [0002] EP-B0320613 relates to a vehicle lift with a leg on which a bracket pivotally movable around a horizontal axis is hinged, on which bracket acts a screw which passes through a plastic On this leg, a formed spindle nut is articulated which engages with its journal into the bearing bore of the leg designed as a plate-shaped part. The plastic spindle nut is positively connected to a metal clip which has at its end a bearing part covering the journal of the spindle nut at the point of the bearing hole of the leg. The disadvantage that can be identified here is that the place where the screw is accommodated must be reinforced by an additional component (metal clamp), wherein structural changes must also be made on the plastic screw nut in orde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F3/12F16B33/00B29D1/00B29D11/00
CPCB29D11/00663B66F3/12
Inventor K·-H·库格勒R·恩德雷斯L·拜G·瑙梅斯F·阿尔藤P·布罗休斯
Owner 布拉诺公司