Patent US5534937A successfully refreshed from Google Patents.
Patent US5250371A successfully refreshed from Google Patents.
US5250371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weldless surface mounted interconnect
Assignee: Motorola Solutions Inc
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Filing: 1991-12-24
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Granted: 1993-10-05
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Expires: 2011-12-24
Abstract
Abstract A weldless battery pack (10) comprises a housing (14) having a flexible circuit (16) inserted within the housing. The flexible circuit has at least one spring contact (20) integrally formed on the flexible circuit. Inside the housing is a plurality of cells (12) interconnected by at least one of the spring contacts (20) formed on the flexible circuit.
Inventors
- 👤 Raymond J. Kleinert, III
- 👤 John H. Hackenberg
- 👤 Russell E. Gyenes
- 👤 Willard F. Amero, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:12
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/325; H01M50/50; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
79 words
A weldless battery pack, comprising: a housing; an independent flexible circuit inserted into said housing; at least one spring contact integrally formed on the flexible circuit; and a plurality of cells within said housing so that at least two cells include a first end and a second end wherein the first end of one cell is connected to the second end of an adjacent cell by a spring means for reducing intermittency between said cells and said flexible circuit.
Claim 2
Dependent Claim
79 words
A weldless battery pack, comprising: a housing; an independent flexible circuit inserted into said housing; at least one spring contact integrally formed on the flexible circuit; and a plurality of cells within said housing so that at least two cells include a first end and a second end wherein the first end of one cell is connected to the second end of an adjacent cell by a spring means for reducing intermittency between said cells and said flexible circuit.
Claim 3
Dependent Claim
40 words
The weldless battery pack of claim 1, wherein said spring means comprises a popple contact having a flat portion coupled to the negative terminal of a cell and a domed portion coupled to the positive terminal of an adjacent cell.
Claim 4
Dependent Claim
35 words
The weldless battery pack of claim 1, wherein said spring means comprises a disc-shaped wedge spring having a cantilever member protruding from the base for placement between at least some of said plurality of cells.
Claim 5
Dependent Claim
26 words
The weldless battery pack of claim 1, wherein said at least one spring contact integrally formed on the flexible circuit is soldered to the flexible circuit.
Claim 6
Dependent Claim
119 words
A spring loaded battery assembly for reducing battery intercell contact intermittency, comprising: a cell having a negative terminal and a positive terminal, said negative terminal being coupled to a cell can; a flexible circuit for retaining and coupling said cell; a spring contact integrally formed in on said flexible circuit and coupled to said cell for biasing said negative terminal towards a positive terminal of another cell. a plurality of cells within said housing so that at least two cells include a first end and a second end wherein the first end of one cell is connected to the second end of an adjacent cell by a spring means for reducing intermittency between said cells and said flexible circuit.
Claim 7
Dependent Claim
119 words
A spring loaded battery assembly for reducing battery intercell contact intermittency, comprising: a cell having a negative terminal and a positive terminal, said negative terminal being coupled to a cell can; a flexible circuit for retaining and coupling said cell; a spring contact integrally formed in on said flexible circuit and coupled to said cell for biasing said negative terminal towards a positive terminal of another cell. a plurality of cells within said housing so that at least two cells include a first end and a second end wherein the first end of one cell is connected to the second end of an adjacent cell by a spring means for reducing intermittency between said cells and said flexible circuit.
Claim 8
Dependent Claim
41 words
The spring loaded battery assembly of claim 5, wherein said spring means comprises a popple contact having a flat portion coupled to the negative terminal of said cell and a domed portion coupled to the positive terminal of an adjacent cell.
Claim 9
Dependent Claim
69 words
The spring loaded battery assembly of claim 5, wherein said spring means comprises a substantially L shaped metallic bracket having a first leaf spring on a horizontal member biased towards said cell can, a second leaf spring on a vertical member biased for coupling said negative terminal on said cell to a positive terminal on an adjacent cell, and a means for entrenching said bracket into said flexible circuit.
Claim 10
Dependent Claim
36 words
The spring loaded battery assembly of claim 5, wherein the spring means comprises a disc-shaped wedge spring having a cantilever member protruding from the base for placement between at least some of said plurality of cells.
Claim 11
Dependent Claim
18 words
The spring loaded battery assembly of claim 5, wherein said spring contact is soldered to the flexible circuit.
Claim 12
Dependent Claim
96 words
A radio assembly having a weldless battery pack as a power source, comprising: a radio; a battery pack housing able to couple to said radio; a flexible circuit inserted into said housing; at least one spring contact integrally formed on the flexible circuit; and a plurality of cells within said housing so that at least two cells include a first end and a second end wherein the first end of one cell is connected to the second end of an adjacent cell by a spring means for reducing intermittency between said cells and said flexible circuit.
Claim 13
Dependent Claim
96 words
A radio assembly having a weldless battery pack as a power source, comprising: a radio; a battery pack housing able to couple to said radio; a flexible circuit inserted into said housing; at least one spring contact integrally formed on the flexible circuit; and a plurality of cells within said housing so that at least two cells include a first end and a second end wherein the first end of one cell is connected to the second end of an adjacent cell by a spring means for reducing intermittency between said cells and said flexible circuit.
Claim 14
Dependent Claim
39 words
The radio assembly of claim 10, wherein said spring means comprises a popple contact having a flat portion coupled to the negative terminal of a cell and a domed portion coupled to the positive terminal of an adjacent cell.
Claim 15
Dependent Claim
34 words
The radio assembly of claim 10, wherein said spring means comprises a disc-shaped wedge spring having a cantilever member protruding from the base for placement between at least some of said plurality of cells.
Claim 16
Dependent Claim
25 words
The radio assembly of claim 10, wherein said at least one spring contact integrally formed on the flexible circuit is soldered to the flexible circuit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-10-04 | 1997-04-05 | 1997-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-04 | 2001-04-05 | 2001-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-04 | 2005-04-05 | 2005-10-05 | $7700.00 | Window Closed / Lapsed |