IP Library Granted Patent US 6,863,000
Granted Patent B2
US 6,863,000 · App. 10/192,727 · Granted Mar 8, 2005

Passenger rail car sliding door with high platform threshold

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Quick Facts
Patent No.
US 6,863,000
App. No.
10/192,727
Granted
Mar 8, 2005
Kind
B2
Abstract

An improved door assembly has a single movable door and may have a separate movable high platform threshold. The door assembly is formed of an upper door section and a lower door section which is fixed to the upper door section. A support member may be integral with or slidably engaged with the door assembly, disposed as an angle iron fixed to the door assembly, or disposed on the side of a stairwell of a rail passenger car.

Claims (8)

1. A rail passenger car, comprising:

a stairwell;

a stairwell platform;

a sliding door; and

a sliding threshold sliding parallel to the sliding door and supported by a bearing located external to the sliding door.

2. An apparatus comprising:

a sliding rail car door;

a sliding threshold disposed partially within the sliding rail car door and sliding independent of and in about the same direction as the sliding rail car door.

Assignments (3)
RELEASE OF SECURITY INTEREST IN PATENTS Recorded Mar 7, 2008
From: SUNTRUST BANK
To: AAI CORPORATION
Reel/Frame 020638/0859 →
SECURITY AGREEMENT Recorded Jul 18, 2005
From: AAI CORPORATION
To: SUNTRUST BANK
Reel/Frame 016274/0372 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 31, 2003
From: NEUGEBAUER, ROBERT J.
To: AAI CORPORATION
Reel/Frame 013915/0669 →