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Clamping gap nuts

A gap and nut technology, applied in the direction of nuts, screws, bolts, etc., can solve problems such as deformation of tightening screws and limiting clamping force

Inactive Publication Date: 2010-06-09
威廉・兰德韦尔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One problem with using known clamping gap nuts is the risk of deforming the tensioning screw, which limits the clamping force

Method used

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Examples

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Embodiment Construction

[0044] figure 1 A sectional view of a clamping gap nut is shown, which consists of a cylindrical body 1 and an integral clamping and releasing mechanism which narrows and widens the nut body 1 radially. The body 1 of the nut is provided with an internal thread 2 revolving around a thread axis A, which at the same time also forms the longitudinal axis of the body 1 of the nut. The directional terms "axial", "radial" and "tangential" relate to the axis A of the thread, unless otherwise stated.

[0045] The body 1 of the nut has tensioning aids 8 , in the exemplary embodiment, on one facing side of the nut body 1 evenly distributed axial pocket bores are machined. The tightening aid 8 serves to engage a tool for tightening the clamping gap nut.

[0046] The axial length, ie the height of the nut body 1 is preferably selected from the range of 15 mm to 300 mm. The internal thread 2 preferably has an inner diameter of 200-1500 mm, ie it is preferably 200-threads to 1500-threads....

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PUM

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Abstract

A clamping gap nut, comprising: a) an internal thread (2) about a longitudinal axis (A) of said clamping gap nut; b) at least two gap ends (3, 4) which face each other tangentially and between them form a gap (5); c) and at least one tensioning element (10; 10a) connected to each of said gap ends (3, 4), for exerting a force on said gap ends (3, 4) which causes a relative movement of said gap ends(3, 4) in a tangential direction, wherein d) said at least one tensioning element (10; 10a) is connected, angularly movable, to at least one of said gap ends (3, 4) via a joint which compensates fora change in direction of said force caused by said relative movement of said gap ends (3, 4).

Description

[0001] This application is a divisional application of an invention patent application with an international filing date of March 7, 2002, a Chinese application number of 02809812.9 (international application number PCT / EP 02 / 02529), and an invention title of "clamping gap nut". technical field [0002] The invention relates to a clamping gap nut which is preferably screwed onto the external thread of a rotating driven shaft and is compressed by radial pressure in order to axially fix an element to the shaft superior. In principle, however, the clamping gap nut also facilitates the fastening of an element to a non-rotating shaft. Background technique [0003] Clamping nuts are usually used to fix a rotary follower to an element or to a bearing of an element, wherein said nut is screwed onto the external thread of the shaft carrying the element. The nut is prevented from loosening, for example by a locking ring, which engages with the nut on the one hand and with an axial gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B39/02F16B37/08F16B35/04
CPCF16B35/042F16B37/0828
Inventor 威廉·兰德韦尔
Owner 威廉・兰德韦尔