Aircraft floor panel with ball transfer unit

Patent metadata

Field	Value
Publication number	US-9963232-B2
Application number	US-201615005720-A
Country	US
Kind code	B2
Filing date	Jan 25, 2016
Priority date	Jan 26, 2015
Publication date	May 8, 2018
Grant date	May 8, 2018

Abstract

A floor panel apparatus comprises: beams arranged inside an aircraft main body; floor panels arranged on the beams; and ball transfer unit bolts each including a ball transfer unit in which a rotatable ball is disposed and a bolt portion which is integral with the ball transfer unit, the ball transfer unit bolts configured such that the floor panels and the beams are detachably fastened together by the bolt portions with the balls protruding on the floor panel side.

First claim

The invention claimed is:

1. A floor panel apparatus comprising:
a beam arranged inside an aircraft main body;
a floor panel arranged on the beam; and
a ball transfer unit bolt including:
a ball transfer unit in which a rotatable ball is disposed, and
a bolt portion which is integral with the ball transfer unit,

the ball transfer unit bolt configured such that the bolt portion penetrates the floor panel and the beam with the ball protruding on the floor panel side.

2. The floor panel apparatus according to claim 1 , wherein
the beam includes a plurality of beam bolt holes,
the floor panel includes floor panel bolt holes at positions corresponding to the respective beam bolt holes, and
the ball transfer unit bolt passes through each of the floor panel bolt holes and the corresponding beam bolt holes in an attachable and detachable manner.

3. The floor panel apparatus according to claim 1 , wherein
the beam includes a plurality of beam bolt holes,
the floor panel includes first bolt holes at positions corresponding to the respective beam bolt holes,
the floor panel includes second bolt holes at positions different from the positions of the first bolt holes,
the ball transfer unit bolt is attachable to each of the first bolt holes and second bolt holes.

4. The floor panel apparatus according to claim 1 , further comprising an O-ring provided on a surface of the ball transfer unit, the surface being in contact with the floor panel.

5. The floor panel apparatus according to claim 1 , wherein the ball transfer unit has a side surface smoothly inclining in such a way that a diameter of the ball transfer unit decreases toward an upper side.

Assignees

• Mitsubishi Aircraft Corp

Inventors

• Rajeev Bachhao

Classifications

• B64C1/20

  specially adapted for freight · CPC title

• B64D9/00 Primary

  Equipment for handling freight; Equipment for facilitating passenger embarkation or the like · CPC title

• B65G39/025

  having spherical roller elements · CPC title

• B64D2009/006

  Rollers or drives for pallets of freight containers, e.g. PDU · CPC title