US3722106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes drier
Assignee: Panasonic Holdings Corp
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Filing: 1971-11-16
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Granted: 1973-03-27
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Expires: 1991-11-16
Abstract
Abstract A clothes drier which is so designed that a filter holding frame may be fitted to a rotary drum at its peripheral edge, whereby the mounting and demounting operations of said filter holding frame are simplified, the production cost of the drier is reduced and further the lint efficiency is enhanced.
Inventors
- 👤 K Takeyama
- 👤 M Hamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:36
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/22
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
209 words
A clothes drier comprising an appearance cabinet; a rotary drum rotatably mounted within said cabinet with its axis of rotation extending horizontally; a motor for driving said rotary drum and blower means disposed reawardly of said rotary drum between said rotary drum and said cabinet; said cabinet having a clothes inlet opening formed in the front panel thereof; said rotary drum having a clothes inlet opening formed in the front wall thereof concentrically with the clothes inlet opening of said cabinet, a recessed portion formed on the back wall thereof for mounting filter means, a number of air outlet aperture formed in said recessed portion and a plurality of inwardly projecting projections formed on the inner peripheral wall of said recessed portion for engagement with said filter means; said filter means comprising in combination a holding frame molded of a synthetic resin material and having formed therein openings of relatively large area, and a filter of relatively fine mesh fitted in the inner peripheral wall of said holding frame; said holding frame being formeD on the outer peripheral wall thereof with projections for interlocking engagement with the projections of said recessed portion; and said blower means comprising a blower housing and an exhaust fan disposed in said blower housing.
Claim 2
Dependent Claim
209 words
A clothes drier comprising an appearance cabinet; a rotary drum rotatably mounted within said cabinet with its axis of rotation extending horizontally; a motor for driving said rotary drum and blower means disposed reawardly of said rotary drum between said rotary drum and said cabinet; said cabinet having a clothes inlet opening formed in the front panel thereof; said rotary drum having a clothes inlet opening formed in the front wall thereof concentrically with the clothes inlet opening of said cabinet, a recessed portion formed on the back wall thereof for mounting filter means, a number of air outlet aperture formed in said recessed portion and a plurality of inwardly projecting projections formed on the inner peripheral wall of said recessed portion for engagement with said filter means; said filter means comprising in combination a holding frame molded of a synthetic resin material and having formed therein openings of relatively large area, and a filter of relatively fine mesh fitted in the inner peripheral wall of said holding frame; said holding frame being formeD on the outer peripheral wall thereof with projections for interlocking engagement with the projections of said recessed portion; and said blower means comprising a blower housing and an exhaust fan disposed in said blower housing.
Claim 3
Dependent Claim
74 words
A clothes drier as defined in claim 1, wherein said projections formed at the recessed portion of the back wall of said rotary drum are cut-bent lugs and said projections formed on the outer peripheral wall of said holding frame are each chamfered on the side closer to the corresponding projection formed at said recessed portion, and further the inner diameter of the peripheral edge portion of said holding frame is progressively increased inwardly.
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |