Patent US2115243A successfully refreshed from Google Patents.
Patent US3769718A successfully refreshed from Google Patents.
US3769718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dryer with release mechanism
Assignee: General Electric Co
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Filing: 1972-09-15
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Granted: 1973-11-06
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Expires: 1992-09-15
Abstract
Abstract A hair dryer that may be collapsed for carrying and storage and erected for operation, including a base assembly, a rigid hood assembly to be positioned about the head of the user for distributing heated air to the head, and a strut for supporting the rigid hood assembly elevated from the base assembly. A latch release mechanism is provided that releases the hood assembly from the base assembly to allow the hood assembly to be raised simultaneously to its operational position, all with one hand.
Inventors
- 👤 E Nopanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:11
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/44; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0895; Y10T292/0902; Y10T292/175; Y10T292/18
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
151 words
A hair dryer comprising: a. a base assembly including a spring biased latch, b. means for producing a flow of heated air, c. a rigid hood assembly arranged to be positioned about the head of the user, said assembly including an outer shell, an inner perforated liner spaced from the outer shell, and a latch receiving means, d. a strut connecting the base and hood assemblies, e. means including the strut for lowering said hood assembly onto said base assembly and for raising the hood assembly to an elevated position relative to the base assembly for operating the hair dryer, and f. latch release means including an elongated member having a push button at one end and a cam surface at the other end, said cam surface cooperating with the hood latch to release the latch from the hood latch receiving means by cam action when said push button is actuated.
Claim 2
Dependent Claim
151 words
A hair dryer comprising: a. a base assembly including a spring biased latch, b. means for producing a flow of heated air, c. a rigid hood assembly arranged to be positioned about the head of the user, said assembly including an outer shell, an inner perforated liner spaced from the outer shell, and a latch receiving means, d. a strut connecting the base and hood assemblies, e. means including the strut for lowering said hood assembly onto said base assembly and for raising the hood assembly to an elevated position relative to the base assembly for operating the hair dryer, and f. latch release means including an elongated member having a push button at one end and a cam surface at the other end, said cam surface cooperating with the hood latch to release the latch from the hood latch receiving means by cam action when said push button is actuated.
Claim 3
Dependent Claim
26 words
The hair dryer of claim 1 wherein the spring biased force on the latch causes the elongated member to return to its position as before actuation.
Claim 4
Dependent Claim
42 words
The hair dryer of claim 1 wherein the latch release means is located in the space between the outer shell and inner liner and the push button projects through an opening in the outer shell at the forward top of hood assembly.
Claim 5
Dependent Claim
196 words
A hair dryer comprising: a. a base assembly housing means for producing a flow of heated air and including a pivotally secured spring biased hood latch having a cam surface, b. a rigid hood assembly arranged to be positioned about the head of the user, said assembly including an outer shell, an inner perforated liner spaced from the outer shell, and a latch receiving means, c. air conducting means for directing heated air from said producing means to said hood assembly, said air conducting means including a hollow air duct assembly hingedly secured to the hair dryer between the hood assembly and base assembly, d. means including the air duct assembly for lowering said hood assembly onto said base assembly for carrying the hair dryer and for raising the hood to an elevated position relative to the base assembly to an operative position, and e. latch release means including an elongated member having a push button at one end and a cam surface at the other end, said cam surface cooperating with the cam surface of the latch to release the latch from the latch receiving means by cam action when said push button is actuated.
Claim 6
Dependent Claim
196 words
A hair dryer comprising: a. a base assembly housing means for producing a flow of heated air and including a pivotally secured spring biased hood latch having a cam surface, b. a rigid hood assembly arranged to be positioned about the head of the user, said assembly including an outer shell, an inner perforated liner spaced from the outer shell, and a latch receiving means, c. air conducting means for directing heated air from said producing means to said hood assembly, said air conducting means including a hollow air duct assembly hingedly secured to the hair dryer between the hood assembly and base assembly, d. means including the air duct assembly for lowering said hood assembly onto said base assembly for carrying the hair dryer and for raising the hood to an elevated position relative to the base assembly to an operative position, and e. latch release means including an elongated member having a push button at one end and a cam surface at the other end, said cam surface cooperating with the cam surface of the latch to release the latch from the latch receiving means by cam action when said push button is actuated.
Claim 7
Dependent Claim
38 words
The hair dryer of claim 4 wherein the latch has a horizontal shoulder and the latch receiving means has a horizontal shoulder both of said shoulders engaging each other when the hood assembly is positioned on base assembly.
Claim 8
Dependent Claim
25 words
The hair dryer of claim 4 wherein a rear latching arrangement is included to secure the hood assembly onto the base assembly at two locations.
Claim 9
Dependent Claim
16 words
The hair dryer of claim 4 wherein the hood assembly has a handle at the top.
Claim 10
Dependent Claim
35 words
The hair dryer of claim 4 wherein the latch release means is located in the space between the outer shell and inner liner and the push button projects through an opening in the outer shell.
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |