Sliding element guide system

Patent metadata

Field	Value
Publication number	US-11154134-B2
Application number	US-201816209229-A
Country	US
Kind code	B2
Filing date	Dec 4, 2018
Priority date	Dec 4, 2017
Publication date	Oct 26, 2021
Grant date	Oct 26, 2021

Abstract

Sliding element guide system for furniture including a cabinet unit rail, central rail, sliding element rail, and a carriage such that the cabinet unit rail, central rail, and sliding element rail are mounted so as to be movable in relation to one another. The system also includes synchronization means including a synchronization element to synchronize movements of elements of the system. Two identical synchronization elements are present on the central rail and are rotatably disposed on the central rail. The synchronization elements are disposed so as to be mutually opposite and mutually spaced apart on both sides of the central rail. The synchronization elements are configured on mutually opposite end sides of the central rail or on mutually opposite external sides of the central rail.

First claim

The invention claimed is:

1. A sliding element linear guide system for a furniture item or a domestic appliance, the sliding element linear guide system comprising:
a cabinet unit rail;
a central rail;
a sliding element rail;
a carriage including bearing elements, wherein the carriage comprises a first carriage associated with the cabinet unit rail and the central rail, and a second carriage associated with the sliding element rail, and wherein the cabinet unit rail, the central rail and the sliding element rail are movably mounted such that the cabinet unit rail, the central rail and the sliding element rail are moveable in relation to one another; and
synchronization means having a synchronization element, wherein the synchronization means synchronizes movement of elements of the sliding element guide system,
wherein the synchronization element comprises two identical synchronization elements rotatably disposed on the central rail,
wherein the two identical synchronization elements are configured to be spaced apart on mutually opposite end sides of the central rail or on mutually opposite external sides of the central rail,
wherein the cabinet unit rail and the sliding element rail are configured to have a C-profile-shape,
wherein the cabinet unit rail has a cabinet unit rail horizontal wall portion and two cabinet unit rail side wall portions that are mutually spaced apart,
wherein the sliding element rail has a sliding element rail horizontal wall portion and two sliding element rail side wall portions that are mutually spaced apart,
wherein the sliding element rail side wall portions and/or the cabinet unit rail side wall portions comprise a planar raceway for the synchronization elements,
wherein a plane of extent of the raceway of the sliding element rail side wall portion and/or a plane of extent of the raceway of the cabinet unit rail side wall portion extends along a longitudinal extent of the rail elements,
wherein the central rail runs between the cabinet unit rail side wall portions and/or the sliding element rail side wall portions,
wherein an internal angle α between a plane of extent of a central rail horizontal wall portion and a plane of extent of a central rail side wall portion is in a range of 30° to 70°,
wherein the plane of extent of the raceway of a first sliding element rail side wall portion in relation to the plane of extent of the raceway of a second sliding element rail side wall portion encloses a sliding element rail angle δ, wherein the sliding element rail angle δ is in an angular range between 0° and less than 180°, and/or
wherein the plane of extent of the raceway of a first cabinet unit rail side wall portion in relation to the plane of extent of the raceway of a second cabinet unit rail side wall portion encloses a cabinet unit rail angle β, wherein the cabinet unit rail angle β is in an angular range between 0° and less than 180°.

2. The sliding element linear guide system according to claim 1 , wherein the synchronization elements are present as a friction wheels.

3. The sliding element linear guide system according to claim 1 , wherein the synchronization elements disposed on the central rail each contact a raceway surface of one of the sliding element rail side wall portions and/or a raceway surface of one of the cabinet unit rail side wall portions.

4. The sliding element linear guide system according to claim 1 , wherein the synchronization elements have a curved shell face.

5. The sliding element linear guide system according to claim 1 , wherein the synchronization elements are pretensioned in a direction transverse to a direction of movement of the rails of the sliding element guide system.

6. The sliding element linear guide system according to claim 1 , wherein the synchronization means further comprises a rocker elements, disposed on a opposite central rail side wall portions, wherein the synchronization elements are assembled to be movable on the respective rocker elements, such that an equalization of tolerance is implemented.

7. The sliding element linear guide system according to claim 1 , wherein the sliding element rail side wall portions include raceway surfaces and/or the cabinet unit rail side wall portions include raceway surfaces.

8. The sliding element linear guide system according to claim 1 , comprising two carriages, wherein the synchronization means are configured to synchronize movement of the two carriages.

9. The sliding element linear guide system according to claim 1 , wherein the synchronization means is configured to synchronize a movement of the central rail with a movement of the cabinet unit rail and/or a movement of the sliding element rail.

10. An item of furniture or domestic appliance having a sliding element linear guide system according to claim 1 .

11. A sliding element linear guide system, for an item of furniture or for a domestic appliance, wherein the sliding element guide system comprises:
a cabinet unit rail;
a central rail; and
a sliding element rail;
a carriage including bearing elements, wherein the carriage comprises a first carriage associated with the cabinet unit rail and the central rail, and a second carriage associated with the sliding element rail, whereby the cabinet unit rail, the central rail, and the sliding element rail are moveably mounted such that the cabinet unit rail, the central rail and the sliding element rail are movable in relation to one another; and
synchronization means having a synchronization element, wherein the synchronization means synchronizes movement of elements of the sliding element guide system,
wherein the cabinet unit rail and the sliding element rail are configured to have a C-profile-shape,
wherein the cabinet unit rail has a cabinet unit rail horizontal wall portion and two cabinet unit rail side wall portions that are mutually spaced apart,
wherein the sliding element rail has a sliding element rail horizontal wall portion and two sliding element rail side wall portions, that are mutually spaced apart,
wherein the sliding element rail side wall portions and/or the cabinet unit rail side wall portions comprise a planar raceway for the synchronization element,
wherein a plane of extent of the raceway of the sliding element rail side wall portion and/or a plane of extent of the raceway of the cabinet unit rail side wall portion extends along a longitudinal extent of the rail elements,
wherein the central rail runs between the cabinet unit rail side wall portions and/or the sliding element rail side wall portions,
wherein the plane of extent of the raceway of a first sliding element rail side wall portion in relation to the plane of extent of the raceway of a second sliding element rail side wall portion encloses a sliding element rail angle δ, wherein the sliding element rail angle δ is in an angular range between 0° and less than 180°, and/or
wherein the plane of extent of the raceway of a first cabinet unit rail side wall portion in relation to the plane of extent of the raceway of a second cabinet unit rail side wall portion encloses a cabinet unit rail angle β, wherein the cabinet unit rail angle β is in an angular range between 0° and less than 180°, and
wherein an internal angle α between a plane of extent of a central rail horizontal wall portion and a plane of extent of a central rail side wall portion is in a range of 30° to 70°.

Assignees

• Grass Gmbh

Inventors

• Albrecht Markus
• Rihtarec Filip
• Reischl Franz

Classifications

• A47B88/493 Primary

  with rollers, ball bearings, wheels, or the like · CPC title

• A47B2210/007

  Three slide synchronisation · CPC title

• A47B2210/0072

  Coordinating mechanisms for sequential drawer slides, e.g. by cable · CPC title

• A47B88/45 Primary

  Synchronisation of cooperating drawer slides, i.e. with a coordination of the rail movement of different drawer slides · CPC title

• A47B88/49

  with double extensible guides or parts · CPC title