Stair nosing for laminate flooring

• US 5,806,253 A
• Filed: 10/31/1996
• Issued: 09/15/1998
• Est. Priority Date: 10/31/1996
• Status: Expired due to Fees

• Current Assignee: Premark RWP Holdings, Inc.
• Original Assignee: Premark RWP Holdings, Inc.
• Inventors: Nelson, Thomas J.
• Primary Examiner(s): Safavi, Michael
• Application Number:
  US08/740,600
• Time in Patent Office: 684 Days
• Field of Search: 52/179, 52/287.1, 52/288.1, 52/716.4, 52/718.01, 52/718.04, 108/27, 312/137, 312/140.1, 312/140.3, 312/140.4, 248/345.1
• US Class Current: 52/179
• CPC Class Codes: E04F 11/166 with means for fixing a separate edging strip

Abstract

A stair nosing for the installation of laminate flooring on stair steps. The stair molding has an elongated, rigid base member for installation of the stair nosing on the leading edge of a stair step and an elongated, flexible tread member covering and interlocked with the rigid base member. The base member has a nose portion with a rounded front surface for defining a leading edge on a stair step and planar back surfaces that intersect at right angles. Flanges extend laterally from and on the same plane as the back surfaces of the nose portion for positioning the base portion on the tread and riser of a stair step.

Claims

1. A stair nosing for the installation of laminate flooring on stair steps, comprising;

an elongated, rigid base member for installation of the stair nosing on the leading edge of a stair step and an elongated, flexible tread member covering and interlocked with the rigid base member,

the base member having a nose portion with a rounded front surface for defining a leading edge on a stair step and planar back surfaces that intersect at right angles and flanges extending laterally from and on the same plane as the back surfaces of the nose portion for positioning the base portion on the tread and riser of a stair step, the nose portion having a shoulder extending between the front surface of the nose portion and a front surface of the flanges for abutment with laminate flooring installed on a tread

and a shoulder extending between the front surface of the nose portion and a front surface of the flanges for abutment with laminate flooring installed on a riser,

the nose portion having a groove extending along its front surface,

the flexible tread member having a rib extending from its back surface for engaging the side walls of the groove and interconnecting the base and tread members, and

the flexible tread member having flaps covering the nose portion and extending beyond the shoulders.

2. Stair nosing of claim 1, wherein the back surfaces of the base member are serrated for affixing the stair nosing on the stair step.

3. Stair nosing of claim 1, wherein the flanges have a nailing groove on their front surfaces to accommodate proper positioning of nails that affix the stair nosing to the stair step when the stair nosing is installed.

4. Stair nosing of claim 1, wherein the back surfaces of the base member intersect at right angles for positioning the base member on a tread, at the leading edge of a stair step.

5. Stair nosing of claim 1, wherein the flanges are about the same height as a pad that holds laminate flooring above the tread on a stair step when the stair nosing is installed.

6. Stair nosing of claim 1, wherein the shoulders have about the same height as the laminate flooring that is to abut the shoulder when the stair nosing is installed.

7. Stair nosing of claim 1, wherein the height of the shoulder is greater than the height of laminate flooring that is to abut the shoulder when the stair nosing is installed.

8. Stair nosing of claim 1, wherein the flaps of the flexible tread member have pads for holding laminate flooring below the front surface of the nose portion.

9. Stair nosing of claim 1, wherein the flaps terminate with sloping shoulders for providing a smooth transition between laminate flooring and the front surface of the stair nosing.

10. Stair nosing of claim 1, wherein the shoulder of the nose portion that will abut laminate flooring on the tread of a stair step is a planar surface extending from the front surface of the nose portion and the flange.

11. Stair nosing of claim 1, wherein the shoulder of the nose portion that will abut laminate flooring on the tread of a stair step is a planar surface extending at right angles from the front surface of the nose portion and the flange.

12. Stair nosing of claim 11, wherein a groove extends along the shoulder for interlocking with a tongue on laminate flooring.

13. Stair nosing of claim 1, wherein the shoulder of the nose portion that will abut laminate flooring on the riser of a stair step is a planar surface extending from the front surface of the nose portion and the flange.

14. Stair nosing of claim 1, wherein the shoulder of the nose portion that will abut laminate flooring on the riser of a stair step is a planar surface extending at an obtuse angle from the front surface of the nose portion and the flange.

15. Stair nosing of claim 1, wherein the widths of the groove on the front surface of the nose portion and rib are the same.

16. Stair nosing of claim 1, wherein serrations extend along the groove on the front surface of the nose portion for interlocking with serrations extending along the rib for securely interconnecting the flexible tread and rigid base member.

17. Stair nosing of claim 16, wherein the rib and serrations extending along the rib are sized and the serrations are spaced for interlocking with serrations extending along the side walls of the groove.

18. Stair nosing of claim 16, wherein serrations along the rib extend beyond the rib.

19. Stair nosing of claim 16, wherein a serration along the rib is spaced for engaging the side wall of the groove below the lowest serration extending along the groove.

20. Stair nosing of claim 1, wherein flexible flaps extend from the end of the rib for resisting the removal of the rib from the groove.

21. Stair nosing of claim 16, wherein flexible flaps extending from the end of the rib engage the walls of the groove below the lowest serration.

22. Stair nosing of claim 1, wherein the base member is made by extrusion molding a material selected from the group consisting of metals and rigid synthetic resins.

23. Stair nosing of claim 1, wherein the tread member is made by extrusion molding flexible synthetic resin.

24. Stair nosing of claim 1, wherein the tread member is made by extrusion molding flexible vinyl resin.

25. A stair nosing for the installation of laminate flooring on stair steps, comprising;

an elongated, rigid base member for installation of the stair nosing on the leading edge of a stair step and an elongated, flexible tread member covering and interlocked with the rigid base member,

the base member having a nose portion with a rounded front surface for defining a leading edge on a stair step and planar back surfaces that intersect at right angles and flanges extending laterally from and on the same plane as the back surfaces of the nose portion for positioning the base portion on the tread of a stair step, the nose portion having shoulders with planar surfaces extending between the front surface of the nose portion and the front surfaces of the flanges for abutment with laminate flooring installed on a tread, a groove extends along the shoulder that is to abut with laminate flooring on a tread of a stair step for interlocking with a tongue on laminate flooring,

the nose portion having a groove extending along its front surface,

the flexible tread member having a rib extending from its back surface for engaging the side walls of the groove and interconnecting the base and tread members,

the widths of the groove extending along the front surface of the nose portion and rib are the same and serrations extend along the groove on the front surface of the nose portion for interlocking with serrations extending along the rib for securely interconnecting the flexible tread and rigid base member, and

the flexible tread member having flaps covering the nose portion and extending beyond the shoulders.

26. Stair nosing of claim 25, wherein the flaps of tread member have pads for holding laminate flooring below the front surface of nose portion.

27. Stair nosing of claim 25, wherein the flaps terminate with sloping shoulders for providing a smooth transition between laminate flooring and the front surface of the stair nosing.

28. Stair nosing of claim 25, wherein the rib and serrations extending along the rib are sized and the serrations are spaced for interlocking with serrations extending along the side walls of the groove.

29. Stair nosing of claim 25, wherein serrations along the rib extend beyond the rib.

30. Stair nosing of claim 25, wherein a serration along the rib is spaced for engaging the side wall of the groove below the lowest serration extending along the groove.

31. A stair nosing for the installation of laminate flooring on stair steps, comprising;

an elongated, rigid base member for installation of the stair nosing on the leading edge of a stair step and an elongated, flexible tread member covering and interlocked with the rigid base member,

the base member having a nose portion with a rounded front surface for defining a leading edge on a stair step and planar back surfaces that intersect at right angles and flanges extending laterally from and on the same plane as the back surfaces of the nose portion for positioning the base portion on the tread of a stair step, the nose portion having shoulders with planar surfaces extending between the front surface of the nose portion and the front surfaces of the flanges for abutment with laminate flooring installed on a tread and riser, a groove extends along the shoulder that is to abut with laminate flooring on a tread of a stair step for interlocking with a tongue on laminate flooring,

the nose portion having a groove extending along its front surface,

the flexible tread member having a rib extending from its back surface for engaging the side walls of the groove and interconnecting the base and tread members, the width of the groove extending along the front surface of the nose portion and rib are the same and serrations extend along the groove on the front surface of the nose portion for interlocking with serrations extending along the rib for securely interconnecting the flexible tread and rigid base member, the rib and serrations extending along the rib are sized and the serrations are spaced for interlocking with serrations extending along the side walls of the groove, a serration along the rib is spaced for engaging the side wall of the groove below the lowest serration extending along the groove and

the flexible tread member having flaps covering the nose portion and extending beyond the shoulders.

32. Stair nosing of claim 31, wherein the flaps of tread member have pads for holding laminate flooring below the front surface of nose portion.

33. Stair nosing of claim 31, wherein the flaps terminate with sloping shoulders for providing a smooth transition between laminate flooring and the front surface of the stair nosing.

34. Stair nosing of claim 31, wherein serrations along the rib extend beyond the rib.