Patent US3406768A successfully refreshed from Google Patents.
Patent US5268629A successfully refreshed from Google Patents.
US5268629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical appliance with battery charging capability and connection means
Assignee: Braun GmbH
•
Filing: 1992-02-12
•
Granted: 1993-12-07
•
Expires: 2012-02-12
Abstract
Abstract The invention is directed to an electrical appliance comprising a housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with the functional component, a storage cell charging circuitry, as well as an appliance plug provided on the appliance and comprising a connector base having a receiving aperture in which contact pins are provided for engagement with a connector of a power cord supplying electrical power to the storage cell. Adapted to be mounted on the connector base is a supporting structure including two contact elements, the supporting structure establishing electrical continuity between the storage cell and the contact pins when mounted on the appliance, and breaking it when detached from the appliance.
Inventors
- 👤 Wolfgang Franke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:34
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/28; B26B19/286; H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; H01M50/50; H01M50/572; H01M50/574; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/703; H01R24/00; H01R24/66; H01R2103/00; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
143 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base having a receiving aperture, contact pin structure in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including contact element structure for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame.
Claim 2
Dependent Claim
143 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base having a receiving aperture, contact pin structure in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including contact element structure for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame.
Claim 3
Dependent Claim
20 words
The electrical appliance of claim 1 wherein said contact element structure on said detachable housing portion includes two contract elements.
Claim 4
Dependent Claim
78 words
The electrical appliance of claim 2 further including terminal lug structure connected to said storage cell charging circuitry, and wherein each said contact element structure includes an approximately U-shaped resilient member with two opposed arms, wherein, with said detachable housing portion mounted on said housing frame, one said arm is adapted to abut against said terminal lug structure and the other said arm is adapted to abut against said contact pin structure by either direct or indirect means.
Claim 5
Dependent Claim
24 words
The electrical appliance of claim 1 wherein said contact element structure includes a contact element received in an opening in said detachable housing portion.
Claim 6
Dependent Claim
36 words
The electrical appliance of claim 4 wherein said contact element is an approximately U-shaped resilient member with two opposed arms and said opening has opposite side walls against which said arms of said contact element abut.
Claim 7
Dependent Claim
46 words
The electrical appliance of claim 1 wherein said housing frame includes terminal lug structure, and said contact pin structure is fixedly disposed in said connector base and is connected to said storage cell when said terminal lug structure is in contact with said contact element structure.
Claim 8
Dependent Claim
55 words
The electrical appliance of claim 2 wherein said detachable housing portion includes a bottom wall with mounting structure having blind-end bore structure for receiving said contact element structure, and an opening is provided in said bottom wall which is disposed over said connector base when said detachable housing portion is seated on said housing frame.
Claim 9
Dependent Claim
66 words
The electrical appliance of claim 2 wherein said housing frame has a bottom wall and said connector base is disposed on said bottom wall of said housing frame, and receptacle structure for receiving said contact element structure on said housing frame adjacent said connector base, said contact element structure being inserted in said receptacle structure when said detachable housing portion is mounted on said housing frame.
Claim 10
Dependent Claim
193 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, terminal lug structure connected to said storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base having a receiving aperture, contact pin structure provided in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including an approximately U-shaped resilient contact member with two opposed arms for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame, one said arm being adapted to abut against said terminal lug structure and the other said arm is adapted to abut against said contact pin structure by either direct or indirect means.
Claim 11
Dependent Claim
193 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, terminal lug structure connected to said storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base having a receiving aperture, contact pin structure provided in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including an approximately U-shaped resilient contact member with two opposed arms for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame, one said arm being adapted to abut against said terminal lug structure and the other said arm is adapted to abut against said contact pin structure by either direct or indirect means.
Claim 12
Dependent Claim
184 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base having a receiving aperture, contact pin structure provided in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including a bottom wall with mounting structure having blind-end bore structure and an opening in said bottom wall which is disposed over said connector base when said detachable housing portion is seated on said housing frame, contact element structure in said blind-end bore structure for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame.
Claim 13
Dependent Claim
184 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base having a receiving aperture, contact pin structure provided in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including a bottom wall with mounting structure having blind-end bore structure and an opening in said bottom wall which is disposed over said connector base when said detachable housing portion is seated on said housing frame, contact element structure in said blind-end bore structure for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame.
Claim 14
Dependent Claim
196 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame with a bottom wall and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base disposed on said bottom wall of said housing frame and having a receiving aperture, contact pin structure provided in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including contact element structure for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame, and receptacle structure for receiving said contact element structure on said housing frame adjacent said connector base, said contact element structure being inserted in said receptacle structure when said detachable housing portion is mounted on said housing frame.
Claim 15
Dependent Claim
196 words
An electrical appliance comprising housing structure for accommodating at least one functional component and at least one rechargeable storage cell cooperating with said functional component, said housing structure including a housing frame with a bottom wall and a detachable housing portion for mounting on said housing frame to complete said housing structure, storage cell charging circuitry, appliance plug structure on said housing frame, said appliance plug structure including a connector base disposed on said bottom wall of said housing frame and having a receiving aperture, contact pin structure provided in said receiving aperture for engagement with a connector of a power cord for supplying electrical power to said storage cell, said detachable housing portion including contact element structure for establishing electrical continuity between said storage cell and said contact pin structure when said detachable housing portion is mounted on said housing frame, and breaking said electrical continuity when said detachable housing portion is detached from said housing frame, and receptacle structure for receiving said contact element structure on said housing frame adjacent said connector base, said contact element structure being inserted in said receptacle structure when said detachable housing portion is mounted on said housing frame.
References Cited (Backward Citations)
CH344640A
Cited
US3268786A
Cited
US3145404A
Cited
US3369294A
Cited
US4104795A
Cited
US4225814A
Cited
US4451693A
Cited
DE3304096A1
Cited
US5138245A
Cited
EP0344988A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-12-06 | 1997-06-07 | 1997-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-06 | 2001-06-07 | 2001-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-06 | 2005-06-07 | 2005-12-07 | $7700.00 | Window Closed / Lapsed |