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Slave cylinder having a transport securing means

A technology of safety device and safety ring, which is used in rotating bearings, rolling contact bearings, fluid-driven clutches, etc., can solve problems such as large axial installation space, achieve chip-free connection and save installation space.

Active Publication Date: 2017-08-01
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, however, undesired debris is generated during assembly of the piston, which in subsequent operation can lead, for example, to filling of the bearings.
The retaining ring including the snap hook requires a large axial installation space

Method used

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  • Slave cylinder having a transport securing means
  • Slave cylinder having a transport securing means
  • Slave cylinder having a transport securing means

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] figure 1 A schematic sectional view through a slave cylinder according to the invention is shown.

[0043] The slave cylinder 1 is provided for the clutch actuation device. The slave cylinder 1 has a piston 2 and a release bearing 3 with an outer ring 4 and an inner ring 5 . The piston 2 is designed as a cylinder piston. The release bearing 3 is fixed on the piston 2 by means of a transport lock 6 . The transport safety device 6 is designed as a safety ring. The stop device 14 closes the slave cylinder 1 upwards in the drawing.

[0044] Also set tool 15. The tool 15 is provided for bending the second end of the transport lock 6 in order to fix the piston 2 on the release bearing 3, as in Figure 4 as shown in.

[0045] figure 2 Shows figure 1 The detail view of A.

[0046] The transport lock 6 has a first end 7 and a second end 9 and an intermediate body 8 located between the two ends 7 , 9 .

[0047] The first end 7 fixes the outer ring 4 . The second end ...

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Abstract

The invention relates to a slave cylinder (1) for a clutch actuating device, comprising a piston (2) and a release bearing (3) with an outer ring (4), the release bearing (3) being fixed to the piston (2) by means of a transport securing means (6). The invention also relates to a method for fixing a piston (2) to a release bearing (3).

Description

technical field [0001] The invention relates to a slave cylinder for a clutch actuating device with a piston and a release bearing, wherein the release bearing is fastened to the piston by means of a transport lock. Background technique [0002] A slave cylinder of this type with a transport lock is described in WO 2014 / 026686 A1. The bearing of the slave cylinder is fastened to the piston by means of a retaining ring with hooks and designed as a spring element. In this case, however, undesired debris is produced during assembly of the piston, which can lead, for example, to filling of the bearing during subsequent operation. A retaining ring including snap hooks requires a large axial installation space. [0003] Further slave cylinders are known from WO 2008 / 086763 A1 and WO 2014 / 032665 A1. Contents of the invention [0004] There is therefore the technical task of specifying a slave cylinder in which a transport lock can be inserted into the slave cylinder without de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D23/14F16D25/08F16D25/12
CPCF16D23/14F16D25/083F16D25/12F16D2013/581F16C19/163F16C35/06F16D2300/12
Inventor J·奥泽N·托马
Owner SCHAEFFLER TECH AG & CO KG