IP Library Granted Patent US 10,857,057
Granted Patent B2
US 10,857,057 · App. 16/280,655 · Granted Dec 8, 2020

Walker

Inventor: Arun Kousik (Northbrook, IL)
Assignee: Medline Industries, Inc.
A61H3/04A61H3/0244
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Quick Facts
Patent No.
US 10,857,057
App. No.
16/280,655
Granted
Dec 8, 2020
Kind
B2
Abstract

Disclosed is a collapsible walker that is movable between an upright and a collapsed position. The walker includes a visible indication that the walker is in the upright position. The indicator device includes a visual indicator affixed to the collapsible walker, wherein the visual indicator includes a first section and a second section, and a window disposed on the body. The walker is configured such that when the walker is in the upright position the first section of the visual indicator is visible via the window, and when the walker is not in the upright position at least a portion of the second section of the visual indicator is visible via the window, the visibility of at least a portion of the second section signifying that the walker is not ready for use.

Claims (23)

1. An indicator device for a collapsible walker, the walker being movable from a locked walking position over a range of unlocked positions into a fully collapsed position the walker including a lock for securement into the locked walking position, the indicator device comprising:

a visual indicator affixable to the collapsible walker, wherein the visual indicator includes a first section and a second section;

a lock indicator cover configured to be secured to a portion of the collapsible walker proximal the visual indicator;

a window disposed on the lock indicator cover, wherein when the walker is in the locked walking position the first section of the visual indicator is visible through the window, and when the walker is not in the locked walking position at least a portion of the second section of the visual indicator is visible through the window, the visibility of at least a portion of the second section signifying that the walker is not in the locked walking position.

2. The lock indicator cover of claim 1 , wherein the visual indicator is one or more of color-coded and pattern-coded.

3. The lock indicator cover of claim 1 , wherein the first section of the visual indicator includes a first color and wherein the second section of the visual indicator includes a second color.

4. The lock indicator cover of claim 1 , wherein the first section of the visual indicator includes a first pattern and wherein the second section of the visual lock indicator includes a second pattern.

5. The indicator device of claim 1 , wherein the fully collapsed position is a non-walking position for the user.

6. The indicator device of claim 1 , wherein the collapsible walker includes handlebars, and wherein movement of the collapsible walker from the locked walking position to the fully collapsed position causes the handlebars to pivot toward the user.

7. The indicator device of claim 1 , wherein the collapsible walker includes front legs and rear legs, and wherein when in the locked walking position the front legs are closer to the rear legs than when the collapsible walker is in the fully collapsed position.

8. A collapsible walker comprising:

a main body frame assembly, a front leg affixed to the main body frame assembly, and a rear leg coupled to the main body frame assembly via a hinge, the walker being movable from a locked walking position over a range of unlocked positions into a fully collapsed position the walker including a lock mechanism for securement into the locked walking position;

a visual indicator affixed to the walker, wherein the visual indicator includes a first section and a second section;

a lock indicator cover affixed to the walker and having a window proximal said visual indicator, wherein when the walker is in the locked walking position the first section of the visual indicator is visible through the window, and when the walker is not in the locked walking position at least a portion of the second section of the visual indicator is visible through the window, the visibility of at least a portion of the second section signifying that the walker is not in the locked walking position.

9. The collapsible walker of claim 8 , wherein the window is visible from a vantage point above the walker.

10. The collapsible walker of claim 8 , wherein the visual indicator is one or more of color-coded and pattern-coded.

11. The collapsible walker of claim 8 , wherein the first section of the visual indicator includes a first color and the second section of the visual indicator includes a second color.

12. The collapsible walker of claim 8 , wherein the first section of the visual indicator includes a first pattern and the second section of visual indicator includes a second pattern.

13. The collapsible walker of claim 8 , wherein the visual indicator is affixed to the hinge, and wherein the lock indicator cover is configured to cover at least a portion of the hinge.

14. The collapsible walker of claim 8 , wherein the fully collapsed position is a non-walking position for the user.

15. The collapsible walker of claim 8 , further comprising:

handlebars, wherein the handlebars are affixed to the main body assembly, and wherein movement of the collapsible walker from the locked walking position to the fully collapsed position causes the handlebars to pivot toward the rear leg.

16. The collapsible walker of claim 8 , wherein when in the locked walking position, the front leg is closer to the rear leg than when the collapsible walker is in the fully collapsed position.

Assignments (6)
PATENT SECURITY AGREEMENT Recorded May 28, 2026
From: MEDLINE INDUSTRIES, LP
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 075643/0462 →
PATENT SECURITY AGREEMENT Recorded Jun 20, 2025
From: MEDLINE INDUSTRIES, LP
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 071672/0100 →
SECURITY INTEREST Recorded Oct 21, 2021
From: MEDLINE INDUSTRIES, LP
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 057927/0091 →
SECURITY INTEREST Recorded Oct 21, 2021
From: MEDLINE INDUSTRIES, LP
To: BANK OF AMERICA, N.A.
Reel/Frame 058040/0001 →
CHANGE OF NAME Recorded Oct 20, 2021
From: MEDLINE INDUSTRIES, INC.
To: MEDLINE INDUSTRIES, LP
Reel/Frame 057876/0748 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 20, 2019
From: KOUSIK, ARUN
To: MEDLINE INDUSTRIES, INC.
Reel/Frame 048386/0567 →