Patent US4703401A successfully refreshed from Google Patents.
US4703401A
Expired / Lapsed
US
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Head lamp for automobiles
Assignee: Stanley Electric Co Ltd
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Filing: 1986-12-11
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Granted: 1987-10-27
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Expires: 2006-12-11
Abstract
Abstract In an automotive head lamp, an auxiliary reflector made of heat-resisting synthetic resin is integrally provided in the center portion of a reflector made of synthetic resin. The heat-resistant auxiliary reflector encircles the bulb.
Inventors
- 👤 Takeo Ichihara
- 👤 Shuichi Watanabe
- 👤 Takashi Futami
- 👤 Nobutaka Oda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:57
CPC Classifications
F; F21; F21S; F21S45/00; F21S45/10; F21S41/00; F21S41/30; F21S41/32; F21S41/33; F21S41/331; F21S41/333; F21S45/40; F21S45/30; F21S45/33
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
79 words
A head lamp for an automobile, comprising: a main reflector made of a synthetic resin; a bulb mounted substantially at the center of said main reflector; an auxiliary reflector integrally connected to said main reflector and arranged in the center portion of said main reflector and encircling said bulb; said auxiliary reflector being smaller than said main reflector and being made of heat-resisting synthetic resin which is more heat-resisting than the resin from which said main reflector is made.
Claim 2
Dependent Claim
79 words
A head lamp for an automobile, comprising: a main reflector made of a synthetic resin; a bulb mounted substantially at the center of said main reflector; an auxiliary reflector integrally connected to said main reflector and arranged in the center portion of said main reflector and encircling said bulb; said auxiliary reflector being smaller than said main reflector and being made of heat-resisting synthetic resin which is more heat-resisting than the resin from which said main reflector is made.
Claim 3
Dependent Claim
22 words
A head lamp of claim 1, wherein said main reflector has a depression therein, said auxiliary reflector being mounted in said depression.
Claim 4
Dependent Claim
22 words
The head lamp of claim 2, wherein said auxiliary reflector has a thickness which is greater than the depth of said depression.
Claim 5
Dependent Claim
18 words
The head lamp of claim 2, wherein said depression is in said center portion of said main reflector.
Claim 6
Dependent Claim
60 words
The head lamp of claim 1, wherein said main reflector has a member integrally formed therewith and extending rearwardly therefrom, said member producing a sink mark in the front surface of said main reflector in said center portion of said main reflector, said auxiliary reflector covering said sink mark to prevent deterioration of the reflecting function of said head lamp.
Claim 7
Dependent Claim
22 words
The head lamp of claim 5, wherein said main reflector has a depression therein, said auxiliary reflector being mounted in said depression.
Claim 8
Dependent Claim
22 words
The head lamp of claim 6, wherein said auxiliary reflector has a thickness which is greater than the depth of said depression.
Claim 9
Dependent Claim
18 words
The head lamp of claim 6, wherein said depression is in said center portion of said main reflector.
Claim 10
Dependent Claim
119 words
A head lamp for an automobile, comprising: a main reflector made of a synthetic resin; a bulb mounted substantially at the center of said main reflector; an auxiliary reflector integrally connected to said main reflector and arranged in the center portion of said main reflector and encircling said bulb; said auxiliary reflector being smaller than said main reflector and being made of heat-resisting synthetic resin; and said main reflector having a member integrally formed therewith and extending rearwardly therefrom, said member producing a sink mark in the front surface of said main reflector in said center portion of said main reflector, said auxiliary reflector covering said sink mark to prevent deterioration of the reflecting function of said head lamp.
Claim 11
Dependent Claim
119 words
A head lamp for an automobile, comprising: a main reflector made of a synthetic resin; a bulb mounted substantially at the center of said main reflector; an auxiliary reflector integrally connected to said main reflector and arranged in the center portion of said main reflector and encircling said bulb; said auxiliary reflector being smaller than said main reflector and being made of heat-resisting synthetic resin; and said main reflector having a member integrally formed therewith and extending rearwardly therefrom, said member producing a sink mark in the front surface of said main reflector in said center portion of said main reflector, said auxiliary reflector covering said sink mark to prevent deterioration of the reflecting function of said head lamp.
Claim 12
Dependent Claim
22 words
The head lamp of claim 9, wherein said main reflector has a depression therein, said auxiliary reflector being mounted in said depression.
Claim 13
Dependent Claim
22 words
The head lamp of claim 10, wherein said auxiliary reflector has a thickness which is greater than the depth of said depression.
Claim 14
Dependent Claim
18 words
The head lamp of claim 10, wherein said depression is in said center portion of said main reflector.
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) | 1990-10-26 | 1991-04-27 | 1991-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-26 | 1995-04-27 | 1995-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-26 | 1999-04-27 | 1999-10-27 | $7700.00 | Window Closed / Lapsed |