The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 23, 2003

Filed:

Aug. 01, 2002
Applicant:
Inventors:

Richard V. Langhoff, Greensboro, NC (US);

David M. Glorio, Oak Ridge, NC (US);

Assignee:

Volvo Trucks North America, Inc., Greensboro, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04G 3/00 ;
U.S. Cl.
CPC ...
E04G 3/00 ;
Abstract

An adjustable ladder with self-storing features and suitable for installation in the sleeping berth of an over-the-highway tractor. The ladder includes an upper and lower member. The upper member includes first and second side rails and at least one step rung rigidly disposed between the side rails. The first side rail includes a mounting end, an open end, and a center portion. One end of the first and second side rails are rotateably mounted to a mating surface. The lower member includes a first end, a second end, and a center portion extending between the first and second ends. The lower member first end is slideably engaged within the upper member open end to define a ladder length. The length is adjustable over a range by sliding the lower member with respect to the upper member. The range may be from an application length to a stored length.


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