US4422130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable rechargeable lighting device
Assignee: Sanyo Electric Co Ltd
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Filing: 1981-04-28
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Granted: 1983-12-20
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Expires: 2001-04-28
Abstract
Abstract A portable rechargeable lighting device featuring attractive appearance, simple construction and easy operation, in which a handle can protect a charging plug which fixedly protrudes from the body of the device, and disenable the lighting under the charging condition.
Inventors
- 👤 Shigeo Nomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:16
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/08; F21V; F21V23/00; F21V23/04; F21V23/0414
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
65 words
A portable rechargeable lighting device comprising: a body including a light bulb and a rechargeable battery; switch means for switchably coupling said light bulb to said battery; charging plug for receiving electric current for charging said battery; and a handle swingably coupled to said body positionable in a lighting position and a charging position, said handle covering said charging plug when in said lighting position.
Claim 2
Dependent Claim
65 words
A portable rechargeable lighting device comprising: a body including a light bulb and a rechargeable battery; switch means for switchably coupling said light bulb to said battery; charging plug for receiving electric current for charging said battery; and a handle swingably coupled to said body positionable in a lighting position and a charging position, said handle covering said charging plug when in said lighting position.
Claim 3
Dependent Claim
30 words
The portable rechargeable lighting device according to claim 1 wherein said switch means includes means for preventing energization of said light bulb when said handle is in said charging position.
Claim 4
Dependent Claim
27 words
A portable rechargeable lighting device according to claim 2, wherein said switch mechanism is mounted on the hinged portion of said handle to said lighting device body.
Claim 5
Dependent Claim
85 words
A portable rechargeable lighting device according to claim 2 or 3, wherein said switch mechanism includes a switch base plate fixed to said lighting device body, and a switch sliding plate made slidable on said switch base plate, said switch base plate having such a contact surface as can be slid into contact with said switch sliding plate, when said handle is at its lighting position, but cannot be slid into contact with said switch sliding plate when said handle is at its charging position.
Claim 6
Dependent Claim
26 words
A portable rechargeable lighting device according to claim 1, wherein said switch means includes an actuating member for lighting and extinguishing said bulb from the outside.
Claim 7
Dependent Claim
37 words
A portable rechargeable lighting device according to any of the claims 2, wherein said switch means includes an actuating member for lighting and extinguishing said bulb from the outside when said handle is at its lighting position.
Claim 8
Dependent Claim
19 words
A portable rechargeable lighting device according to claim 6, wherein said actuating member is disposed above said switch mechanism.
Claim 9
Dependent Claim
58 words
A portable rechargeable lighting device according to claim 7, wherein said actuating member is attached to said handle in a manner to rotate together with said handle and to slide only in one direction relative to said handle and is made to support said switch sliding plate in a manner to slide relative to said switch base plate.
Claim 10
Dependent Claim
61 words
A portable rechargeable lighting device according to claim 7, wherein said actuating member is attached to said handle in a manner to rotate together with said handle and to move up and down relative to said handle and is made to support said switch sliding plate in a manner to move into and out of contact with said switch base plate.
Claim 11
Dependent Claim
33 words
A portable rechargeable lighting device according to claim 6, wherein said actuating member is disposed at an arbitrary position of said body or handle other than at the position above said switch mechanism.
Claim 12
Dependent Claim
77 words
A portable rechargeable lighting device according to any of the preceding claims 1, wherein said charging plug is disposed to protrude from the back of said lighting device body, and wherein said handle is formed into such a general shape of letter "C" as has its both end portions hinged to the upper and lower sides of said lighting device body thereby to provide said charging position when said handle is swung to the right or left.
Claim 13
Dependent Claim
68 words
A portable rechargeable lighting device according to any of the preceding claim 11, further comprising a rotation stopper hinged to said handle such that it can swing in the space which is surrounded by said handle and said lighting device body and such that it can have its free ends abutting against the face where the charging plug is disposed therby to stop the rotations of said handle.
Claim 14
Dependent Claim
37 words
A portable rechargeable lighting device according to claim 12, wherein said rotation stopper is a plug cover which is made operative to cover said charging plug under the condition in which said handle is prevented from rotating.
Claim 15
Dependent Claim
27 words
A portable rechargeable lighting device according to any of the preceding claim 1, wherein said handle is formed at its arbitrary position with a hole for hanging.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-19 | 1987-06-20 | 1987-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-19 | 1991-06-20 | 1991-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-19 | 1995-06-20 | 1995-12-20 | $7700.00 | Window Closed / Lapsed |