Tolerance and size adaptive spacer for spacing a battery cell

Details Tolerance and size adaptive spacer for spacing a battery cell Tolerance and size adaptive spacer for spacing a battery cell

2000-05-13

2002-10-01

Ryan, Patrick (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Cell support for removable cell

Support or holder per se

C361S752000, C362S116000

Reexamination Certificate

active

06458481

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a battery cell spacer and, more specifically, to a spacer that is adaptive to cells of varying tolerance.
2. Description of the Prior Art
Prior art battery cell spacers, such as the spacer
110
shown in
FIG. 1
, typically include one or more indentations into which fit a corresponding number of cells
102
. Such spacers
110
are generally designed to hold a specific diameter of cell. If the cell diameter is greater than a certain tolerance (as in the case of cell
102
a
), the spacer
110
may prevent the cell
102
a
from fully resting within the indentation, thereby causing interference during assembly. If the cell diameter is less than a certain tolerance (as in the case of cell
102
c
), the spacer
110
may allow undue movement of the cell
102
c
within the spacer
110
. Even if the diameter of the cell
102
b
corresponds exactly to that of the indentation, the cell
102
b
requires constant inward force, otherwise it could experience movement.
Therefore, there is a need for a spacer that applies constant force on cells of a variety of diameters.


REFERENCES:
patent: 4431717 (1984-02-01), Kikuchi
patent: 4628418 (1986-12-01), Chabria
patent: 5528460 (1996-06-01), Byrd
patent: 5670268 (1997-09-01), Mancusi
patent: 6124056 (2000-09-01), Kimura
patent: 6237906 (2001-05-01), Deans

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