Twist lock for a multi-position ladder

- Tricam Industries, Inc.
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Description

FIG. 1 is a perspective view of a twist lock for a multi-position ladder showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the twist lock for a multi-position ladder and form no part of the claimed design. The broken lines showing a portion of a ladder in FIG. 7 are for the purpose illustrating environment and form no part of the claimed design.

Claims

The ornamental design for twist lock for a multi-position ladder, as shown and described.

Referenced Cited
U.S. Patent Documents
4566150 January 28, 1986 Boothe
4697305 October 6, 1987 Boothe
7140072 November 28, 2006 Leng
D553757 October 23, 2007 Moss
D631562 January 25, 2011 Han
10487576 November 26, 2019 Ballard
20040216954 November 4, 2004 Lee
20050274571 December 15, 2005 Simpson
Patent History
Patent number: D915623
Type: Grant
Filed: Sep 12, 2019
Date of Patent: Apr 6, 2021
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Joseph P. Foley (St. Paul, MN), Benjamin P. Williams (Chaska, MN)
Primary Examiner: Gino Colan
Application Number: 29/705,500
Classifications