Drawer, and a drawer sliding system for such drawer

Patent metadata

Field	Value
Publication number	US-11229286-B2
Application number	US-201615757535-A
Country	US
Kind code	B2
Filing date	Sep 7, 2016
Priority date	Sep 7, 2015
Publication date	Jan 25, 2022
Grant date	Jan 25, 2022

Abstract

A sliding system for a drawer is provided. The sliding system includes at least two parts being moveable relative each other and adapted for together forming a connection between the drawer and an associated cabinet, wherein one of said at least two parts includes at least one sliding surface being coated with a lacquer including a resin, wherein said lacquer in turn is at least partly coated with a lipophilic composition coating to provide a slide layer with a lowered friction.

First claim

The invention claimed is:

1. A drawer sliding system for a drawer, comprising at least two parts being moveable relative each other and adapted for together forming a connection between the drawer and an associated cabinet, wherein a first part of said at least two parts comprises at least one sliding surface being coated with a lacquer comprising a resin, wherein said lacquer in turn is at least partly coated with a lipophilic composition coating to provide a slide layer with a lowered friction, wherein a second part of said at least two parts is provided with at least one sliding member, an interface between the at least one sliding surface and the at least one sliding member forming a linear plain bearing to allow for linear movement of the at least one sliding member along a longitudinal axis of the at least one sliding surface, wherein at least a part of said at least one sliding member being in contact with the at least one sliding surface is made of a plastic.

2. The sliding system according to claim 1 , wherein the at least one sliding surface is formed on a guiding rail, said guiding rail forming one of said at least two parts.

3. The sliding system according to claim 2 , wherein said guiding rail is provided with at least two opposite said sliding surfaces located at a vertical distance therebetween.

4. The sliding system according to claim 1 , wherein the at least one sliding surface is formed by an intermediate slide bar providing a sliding movement in relation to at least one guiding rail, said at least one guiding rail forming one of said at least two parts.

5. The sliding system according to claim 1 , wherein the at least one sliding surface is formed in a C-shaped groove in one of said at least two parts.

6. The sliding system according to claim 1 , wherein the at least one sliding surface is formed on a protruding member having at least one of an upper sliding surface, a lower sliding surface, and a distal sliding surface.

7. The sliding system according to claim 1 , wherein at least the part of said at least one sliding member being in contact with the at least one sliding surface is made of a plastic comprising a polymer with polar groups, wherein the polar groups are selected from the group consisting of hydroxyl groups, carboxylic acid groups, amide groups, halide groups, sulfide groups, cyano groups (nitrile groups), carbamate groups, aldehyde groups, and/or ketone groups.

8. The sliding system according to claim 1 , wherein at least the part of said at least one sliding member in contact with the at least one sliding surface is made of a plastic comprising a polymer selected from the group of polymers consisting of polyoxymethylenes (POM), polyesters, polyamides (PA), polyvinyl chloride (PVC), polyphenylene sulfide (PPS), polyaryletherketone (PAEK), and Polytetrafluoroethylene (PTFE).

9. The sliding system according to claim 1 , wherein said at least one sliding member is entirely made from a plastic.

10. The sliding system according to claim 1 , wherein the part of said at least one sliding member being in contact with the at least one sliding surface is configured as a blade extending in the sliding direction and wherein the at least one sliding surface is present on a guiding rail forming one of the at least two parts of the sliding system, wherein the length of the blade, as seen along the sliding direction of the guiding rail, is 2-50 mm.

11. The sliding system according to claim 1 , wherein the at least one sliding member comprises at least one individual contact point in contact with the at least one sliding surface, a contact area of each said individual contact point being less than 3 mm 2 .

12. The sliding system according to claim 1 , wherein the at least two parts being moveable relative each other comprise a first guiding rail being attached to an inner wall of a cabinet, and a second guiding rail being attached to the drawer, wherein optionally the sliding system further comprises an intermediate slide bar being movable relative to the first and second guiding rails, and wherein optionally the intermediate slide bar is provided with a first sliding surface being in sliding contact with a first slide member on the first guide rail and a second sliding surface being in sliding contact with a second slide member on the second guide rail, and/or is provided with a first slide member being in sliding contact with a first sliding surface on the first guide rail and a second sliding member being in sliding contact with a second sliding surface on the second guiding rail.

13. The sliding system according to claim 1 , wherein the first part of said at least two parts is a guiding rail being provided with the at least one sliding surface, the second of said at least two parts being the at least one sliding member, wherein the guiding rail is provided with a groove receiving the at least one sliding member, the at least one sliding surface being provided inside said groove, wherein both upper and lower edges of the groove are provided with respective sliding surfaces being in sliding contact with upper and lower parts of the at least one sliding member.

14. The sliding system according to claim 1 , wherein the at least one sliding surface is made from a material having a Vickers hardness of at least 50 MPa.

15. The sliding system according to claim 1 , wherein the resin of the lacquer comprises polar groups selected from among hydroxyl groups, carboxylic acid groups, amide groups, cyano groups (nitrile groups), halide groups, sulfide groups, carbamate groups, aldehyde groups, and/or ketone groups.

16. The sliding system according to claim 1 , wherein the at least one sliding surface is formed by an aluminum member having a surface onto which the lacquer is applied, the aluminum member having an anodized oxide surface layer onto which the lacquer is applied, wherein the thickness of the anodized oxide surface layer is at least 5 micrometers, and wherein the surface of the aluminum member has been electrophoretically coated with said resin and subsequently heat cured to form the lacquer coated on the at least one sliding surface.

17. The sliding system according to claim 1 , wherein the lipophilic composition coating comprises compounds comprising C6 to C40 non-aromatic hydrocarbyl groups, wherein optionally the lipophilic composition coating present on the lacquer comprises at least 25 wt. % of compounds comprising C6 to C40 alkyl groups, and/or wherein optionally the lipophilic composition coating present on the lacquer comprises at least 25 wt. % C6 to C40 non-aromatic hydrocarbons.

18. The sliding system according to claim 1 , wherein the lipophilic composition coating present on the lacquer comprises triglycerides and/or fatty acids; wherein optionally the lipophilic composition coating present on the lacquer comprises 1 to 40 wt. % triglycerides and/or fatty acids and wherein optionally the lipophilic composition coating present on the lacquer comprises at least 25 wt. % of triglycerides and/or fatty acids.

19. A drawer, comprising at least one said drawer sliding system according to claim 1 .

20. The drawer according to claim 19 , wherein one of said at least two parts is a first guiding rail being connected to an associated cabinet, while a second of said at least two parts is a second guiding rail being connected to the drawer, wherein the at least one sliding surface being arranged on one of the first and second guiding rails, and at least one sliding member being arranged on a second of the first and second g

Assignees

• Ikea Supply Ag

Inventors

• Andersson Benny

Classifications

• A47B88/49 Primary

  with double extensible guides or parts · CPC title

• C09D5/4484

  Anodic paints (C09D5/4403 - C09D5/4476 take precedence) · CPC title

• C09D5/4411

  Homopolymers or copolymers of acrylates or methacrylates · CPC title

• A47B2210/0059

  Guide located at the side of the drawer · CPC title

• C10M107/32

  Condensation polymers of aldehydes or ketones; Polyesters; Polyethers · CPC title