IP Library › Granted Patent US 10,512,328
Granted Patent B2
US 10,512,328 · App. 16/084,653 · Granted Dec 24, 2019

Retraction device and pull-out guide

Inventors: Forest Pan (Zhuhai, CN); Bode Zeng (Zhuhai, CN); Femmy Wang (Zhuhai, CN); Roy Chen (Zhuhai, CN); Kai-Uwe Ruede (Ahrensburg, DE)
Assignee: Paul Hettich GmbH & Co. KG
A47B88/467A47B88/477A47B88/487E05F3/108E05Y2900/20
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Quick Facts
Patent No.
US 10,512,328
App. No.
16/084,653
Granted
Dec 24, 2019
Kind
B2
Abstract

A retraction device, in particular for pull-out guides, has a housing, in which a guide for a linearly movable slider and a guide track for a driver attached to the slider are provided. The driver can be coupled with an activator and a damper comprising a damper housing and a piston rod is provided between the housing and the slider. There is a pull-out guide with a stationary guide rail and a running rail which is movable relative to the guide rail.

Claims (17)

1. Pull-out guide ( 1 ) comprising a stationary guide rail ( 2 ) and a running rail ( 4 , 4 ′, 4 ″) that can be moved relative to the guide rail ( 2 ), wherein a retraction device ( 5 ) is provided and arranged between the running rail ( 4 , 4 ′, 4 ″) and the guide rail ( 2 ) in the retracted position of the pull-out guide ( 1 ), and wherein the guide rail ( 2 ) and the running rail ( 4 , 4 ′, 4 ″) are C- or U-shaped in cross section and legs of the guide rail ( 2 ) and the running rail ( 4 , 4 ′, 4 ″) are facing each other, said retraction device having a housing ( 6 ), in which a guide ( 61 ) for a linearly movable slider ( 7 , 7 ′) and a guide track ( 63 ) for a driver ( 11 , 11 ′, 11 ″, 11 ″′) attached to the slider ( 7 , 7 ′) are provided, wherein the driver ( 11 , 11 ′, 11 ″, 11 ′″) is configured to be coupled with an activator ( 10 ) and between the housing ( 6 ) and the slider ( 7 , 7 ′) a damper ( 8 ) comprising a damper housing ( 80 ) and a piston rod ( 81 ) is provided, wherein a compression spring ( 9 ) is arranged surrounding the damper by means of which the slider ( 7 , 7 ′) is pretensioned on the housing ( 6 ) in a retracted position.

2. Pull-out guide according to claim 1 , wherein the spring ( 9 ) is designed as a spiral spring, which is arranged around the damper housing ( 80 ).

3. Pull-out guide according to claim 1 , wherein the spring ( 9 ) is fixed on a first end ( 90 ) on a first mounting ( 67 ) attached to the housing ( 6 ) and on a second end ( 91 ) on a second mounting ( 74 ) attached to the slider ( 7 , 7 ′).

4. Pull-out guide according to claim 3 , wherein the spring ( 9 ) has at least one coil each at least partly protruding in the radial direction on its first end ( 90 ) or on its second end ( 91 ).

5. Pull-out guide according to claim 1 , wherein the damper housing ( 80 ) is held in a recess ( 60 ) of the housing ( 6 ) and the slider ( 7 , 7 ′) can be moved together with the piston rod ( 81 ), or that the piston rod ( 81 ) is held on the housing ( 6 ) and the slider ( 7 , 7 ′) can be moved together with the damper housing ( 80 ).

6. Pull-out guide according to claim 1 , wherein the driver ( 11 , 11 ′, 11 ″, 11 ′″) is mounted pivotably on the slider ( 7 , 7 ′).

7. Pull-out guide according to claim 1 , further comprising the activator ( 10 ), wherein the activator is configured to be coupled with the driver ( 11 , 11 ′, 11 ″, 11 ′″), and is arranged on the running rail ( 4 ) or on a thrust element coupled with the running rail.

8. Pull-out guide according to claim 1 , wherein between the guide rail ( 2 ) and the running rail ( 4 , 4 ′, 4 ″) a middle rail ( 3 ) is provided, which is shorter than the guide rail ( 2 ) and the running rail ( 4 , 4 ′, 4 ″), and the retraction device ( 5 ) is arranged in extension of the middle rail ( 3 ).

9. Pull-out guide according to claim 1 , further comprising the activator ( 46 ) wherein the activator is configured to be coupled with the driver ( 11 ′) and is formed integrally with the running rail ( 4 ′).

10. A pull-out guide comprising:

a stationary guide rail ( 2 ),

a running rail ( 4 , 4 ′, 4 ″) that is configured to be moved relative to the guide rail ( 2 ) wherein the guide rail ( 2 ) and the running rail ( 4 , 4 ′, 4 ″) are C- or U-shaped in cross section and legs of the guide rail ( 2 ) and the running rail ( 4 , 4 ′, 4 ″) are facing each other,

a retraction device ( 5 ) arranged between the running rail ( 4 , 4 ′, 4 ″) and the guide rail ( 2 ) in the retracted position of the pull-out guide ( 1 ), the retraction device comprising a housing ( 6 ), a guide ( 61 ) for a linearly movable slider ( 7 , 7 ′) and a guide track ( 63 ) for a driver ( 11 , 11 ′, 11 ″, 11 ′″) attached to the slider ( 7 , 7 ′), the guide and guide track being provided in the housing,

wherein the driver ( 11 , 11 ′, 11 ″, 11 ′″) is configured to be coupled with an activator ( 10 ),

wherein a damper ( 8 ) comprising a damper housing ( 80 ) and a piston rod ( 81 ) is provided between the housing ( 6 ) and the slider ( 7 , 7 ′),

wherein a spring ( 9 ) is arranged surrounding the damper by means of which the slider ( 7 , 7 ′) is pretensioned on the housing ( 6 ) in a retracted position, and

wherein the driver is arranged on a side of the damper and is pivotable around a bearing.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 23, 2018
From: PAN, FOREST; ZENG, BODE; WANG, FEMMY; CHEN, ROY; RUEDE, KAI-UWE
To: PAUL HETTICH GMBH & CO. KG
Reel/Frame 047275/0331 →
Priority Claims (2)
CN 2016 1 0150855 · Mar 16, 2016 · national
DE 10 2016 105 100 · Mar 18, 2016 · national
Continuity (1)
Related Publication 20190069672A1 · Mar 7, 2019