Battery well for a medical testing device

Patent metadata

Field	Value
Publication number	US-9614202-B2
Application number	US-201314068172-A
Country	US
Kind code	B2
Filing date	Oct 31, 2013
Priority date	Oct 31, 2013
Publication date	Apr 4, 2017
Grant date	Apr 4, 2017

Abstract

An electronic device may include a battery well and a plurality of tabs. The battery well may receive a disk-shaped battery and may include an annular sidewall, an open end, an end wall and a recess. The open end may be disposed at a first end of the sidewall. The end wall may be substantially perpendicular to the sidewall at a second end of the sidewall and axially between the recess and the open end. The recess may be disposed at the second end of the sidewall and adjacent the end wall. The recess may be adapted to receive a portion of the battery therein. The tabs may be disposed at the open end and may extend radially inward from the sidewall to releasably retain the battery in the battery well. The tabs may define a plane that is substantially parallel to the end wall.

First claim

What is claimed is:

1. An electronic device comprising:
first and second battery wells configured to receive first and second disk-shaped batteries, respectively, and each including an annular sidewall, an open end, an end wall and a recess, the end wall disposed substantially perpendicular to the annular sidewall and axially between the recess and the open end, the recess disposed at an end of the annular sidewall and adjacent the end wall, the recess adapted to receive a portion of the respective one of the first and second batteries therein; and
a depressible member disposed between the first and second battery wells and resiliently movable toward and away from the recesses between a first position in which a surface of the depressible member is disposed at the open ends of the first and second battery wells and a second position in which the surface is disposed between the open ends and the recesses, the surface of the depressible member is disposed along a plane in the first position and is disposed between the plane and the recess in the second position,
wherein the surface of the depressible member contacts the first and second batteries in the second position such that the surface transmits a force to the first and second batteries that moves the first and second batteries partially into the recesses and partially ejects the first and second batteries from the first and second battery wells.

2. The electronic device of claim 1 , wherein the batteries are allowed to be received between the tabs and the end walls such that first and second opposite sides of the batteries are substantially parallel to the end walls when the depressible member is in the first position, and wherein moving the depressible member into the second position causes the first battery to disengage at least one of the first tabs and causes the second battery to disengage at least one of the second tabs.

3. The electronic device of claim 2 , wherein moving the depressible member into the second position causes the batteries to be received into respective recesses such that the first and second sides of the batteries are angled relative to the end walls.

4. The electronic device of claim 1 , wherein the recesses of the first and second wells are defined by first and second planar surfaces, respectively, that are angled relative to the end wall and longitudinal axes of the first and second wells, and wherein sides of the first and second batteries are substantially when the first and second batteries are in the fully installed position, and the sides of the first and second batteries are substantially parallel to the first and second planar surfaces, respectively, and angled relative to the end was when the first and second batteries are in the partially ejected position.

5. The electronic device of claim 1 , further comprising:
a first contact aligned with one of the plurality of first tabs;
a second contact protruding into the first battery well though an opening in the end wall of the first battery well;
a third contact aligned with one of the plurality of second tabs; and
a fourth contact protruding into the second battery well though an opening in the end wall of the second battery well.

6. The electronic device of claim 5 , wherein the first and third contacts contact first sides of the first and second batteries, respectively, and the second and fourth contacts contact second sides of the first and second batteries, respectively, such that the first, second, third and fourth contacts are configured to cooperate with the first and second batteries to complete an electrical circuit when the first and second batteries are received in the first and second battery wells, respectively.

7. The electronic device of claim 6 , wherein the first, second, third and fourth contacts include resiliently flexible springs that retain the batteries in fully installed positions in the first and second battery wells.

8. The electronic device of claim 7 , wherein the first contact contacts the first battery proximate a periphery of the first battery.

9. The electronic device of claim 8 , wherein the second contact contacts a central region of the second side of the first battery.

10. An electronic device comprising:
first and second battery wells configured to receive first and second disk-shaped batteries, respectively, and each including an annular sidewall, an open end, an end wall and a recess, the end wall disposed substantially perpendicular to the annular sidewall and axially between the recess and the open end, the recess disposed at an end of the annular sidewall and adjacent the end wall, the recess adapted to receive a portion of the respective one of the first and second batteries therein; and
a depressible member disposed between the first and second battery wells and resiliently movable toward and away from the recesses between a first position in which a surface of the depressible member is disposed at the open ends of the first and second battery wells and a second position in which the surface is disposed between the open ends and the recesses,
a first plurality of tabs disposed at the open end of the first battery well and extending radially inward from the annular sidewall of the first battery well to releasably retain the first battery in the first battery well; and
a second plurality of tabs disposed at the open end of the second battery well and extending radially inward from the annular sidewall of the second battery well to releasably retain the second battery in the second battery well, the first and second pluralities of tabs cooperating to define a plane that is substantially parallel to the end walls,
wherein the surface of the depressible member contacts the first and second batteries in the second position such that the surface transmits a force to the first and second batteries that moves the first and second batteries partially into the recesses and partially ejects the first and second batteries from the first and second battery wells,
wherein the surface of the depressible member is disposed along the plane in the first position and is disposed between the plane and the recess in the second position.

11. The electronic device of claim 10 , wherein the batteries are allowed to be received between the tabs and the end walls such that first and second opposite sides of the batteries are substantially parallel to the end walls when the depressible member is in the first position, and wherein moving the depressible member into the second position causes the first battery to disengage at least one of the first tabs and causes the second battery to disengage at least one of the second tabs.

12. The electronic device of claim 11 , wherein moving the depressible member into the second position causes the batteries to be received into respective recesses such that the first and second sides of the batteries are angled relative to the end walls.

13. The electronic device of claim 10 , wherein the recesses of the first and second wells are defined by first and second planar surfaces, respectively, that are angled relative to the end wall and longitudinal axes of the first and second wells, and wherein sides of the first and second batteries are substantially parallel to the end walls and angled relative to the first and second planar surfaces when the first and second batteries are in the fully installed position, and the sides of the first and second batteries are substantially parallel to the first and second planar surfaces, respectively, and angled relative to the end walls when the first and second batteries are in the partially ejected position.

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Assignees

• Roche Diabetes Care Inc

Inventors

• Rolfs Bryan
• Uberta Iii Anthony J

Classifications

• H01M2220/30

  Batteries in portable systems, e.g. mobile phone, laptop · CPC title

• H01M2/1055

  Electricity · mapped topic

• H01M2/1044 Primary

  Electricity · mapped topic

• H01M50/216 Primary

  adapted for button or coin cells · CPC title

• H01M50/213

  adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) · CPC title