Battery holder for coin cell

Details Battery holder for coin cell Battery holder for coin cell

2005-06-28

2005-06-28

Alejandro, Raymond (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Cell support for removable cell

C429S097000, C429S100000, C429S001000

Reexamination Certificate

active

06911279

ABSTRACT:
A battery holder (1) for receiving a coin cell (6) includes an insulative housing (2) and a first and a second contacts (4, 5) received in the insulative housing. The coin cell includes a positive pole (61) and a negative pole (62) with a smaller diameter than the positive pole thereby forming an annular receiving room (63) around the positive pole. The insulative housing includes a base plate (21), a bulge (22) and a number of chimbs (24) extending upwardly from the base plate and a protrusion (34) at a junction between the base plate and the bulge. The protrusion is mating with the receiving room around the positive pole for preventing the coin cell from reverse insertion.

REFERENCES:
patent: 4487820 (1984-12-01), Engelstein et al.
patent: 5980309 (1999-11-01), Frantz et al.

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