Pivoting metal foot-step for a steel tower

Description

FIG. 1 is a front view of my design of a pivoting metal foot-step for a steel tower;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left end view thereof;

FIG. 6 is a right end view thereof;

FIG. 7 is a cross sectional view thereof taken on the line 7--7 of FIG. 3;

FIG. 8 is a reduced front view thereof similar to FIG. 1 and shown fixed to an environmental pipe on a tower in a position of use as a foot step; and,

FIG. 9 is a reduced front view similar to FIG. 8 but showing the step portion thereof pivoted up to a non-use position.

The broken lines showing a pipe is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D324130 February 25, 1992 Matsumoto et al.
D351030 September 27, 1994 Laughlin et al.
4620610 November 4, 1986 Southard
Foreign Patent Documents
51-12141 July 1949 JPX
53-60601 October 1951 JPX
5-36080 February 1987 JPX
Patent History
Patent number: D406906
Type: Grant
Filed: Mar 13, 1997
Date of Patent: Mar 16, 1999
Assignee: Nihon Gaishi Seisen Kogyo Co., Ltd. (Fukuoka)
Inventor: Toru Kinoshita (Fukuoka)
Primary Examiner: Doris Clark
Law Firm: Flynn, Thiel, Boutell & Tanis, P.C.
Application Number: 0/68,168
Classifications
Current U.S. Class: Stair Tread, Step Or Ladder Rung (D25/69)
International Classification: 2504;