Escalator including a step chain
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Description
FIG.1 is a left hand perspective view for an escalator including a step chain incorporating the design features of the present invention;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof, the left side is a mirror image;
FIG. 4 is a top plan view of the new design illustrated in FIGS. 1, 2, and 3;
FIG. 5 is a fragmentary left side elevational view of the bottom portion thereof generally along line 5--5 of FIG. 4;
FIG. 6 is a fragmentary perspective view of the lower portion of FIG. 4; and,
FIG. 7 is a top plan view of the portion illustrated in FIGS. 5 and 6.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D327558 | June 30, 1992 | Giugiaro |
D344384 | February 15, 1994 | Yamamoto et al. |
D348756 | July 12, 1994 | Barret et al. |
3144118 | August 1964 | Fabula |
3321059 | May 1967 | Kroepel |
3989133 | November 2, 1976 | Courson et al. |
4798274 | January 17, 1989 | Saito |
5156252 | October 20, 1992 | Mello et al. |
5366060 | November 22, 1994 | Johnson et al. |
DM013112 | March 1989 | XHX |
DM029495 | May 1994 | XHX |
DM034669 | November 1995 | XHX |
DM042518 | December 1997 | XHX |
Patent History
Patent number: D420189
Type: Grant
Filed: Jun 12, 1998
Date of Patent: Feb 1, 2000
Assignee: Inventio AG (Hergiswil NW)
Inventors: Gerhard Kleewein (Pressbaum), Walter Thierer (Vienna)
Primary Examiner: Susan J Lucas
Assistant Examiner: Cynthia E. Ramirez
Law Firm: MacMillan, Sobanski & Todd, LLC
Application Number: 0/89,300
Type: Grant
Filed: Jun 12, 1998
Date of Patent: Feb 1, 2000
Assignee: Inventio AG (Hergiswil NW)
Inventors: Gerhard Kleewein (Pressbaum), Walter Thierer (Vienna)
Primary Examiner: Susan J Lucas
Assistant Examiner: Cynthia E. Ramirez
Law Firm: MacMillan, Sobanski & Todd, LLC
Application Number: 0/89,300
Classifications