Patent US3838579A successfully refreshed from Google Patents.
US3838579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking and sealing system for room air conditioners
Assignee: General Electric Co
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Filing: 1973-11-12
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Granted: 1974-10-01
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Expires: 1993-11-12
Abstract
Abstract A system is provided in an air conditioner including an outer cabinet arranged in a room opening, an inner chassis removably mounted in the cabinet, for locking and sealing the chassis to the cabinet to prevent passage of outside elements between the cabinet and the chassis.
Inventors
- 👤 J Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:04
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
187 words
An air conditioner, comprising: an outer cabinet having an opening at one end thereof; an inner chassis removably positioned in said cabinet; a frame member arranged around said opening; a sealing surface member on said chassis corresponding in size and shape to said frame member; latching means including a tab means on one of said members arranged to engage slot means on the other of said members; a resilient gasket arranged to be engaged between said sealing surface member and said frame member when said chassis is positioned in said cabinet; cam means on said chassis including a front cam surface engaging said frame member for lifting said chassis during its insertion through said opening into said cabinet for aligning said tab means with said slot means; and a back cam surface on said cam means for causing the continuing insertion and lowering of said chassis on said frame member and into said cabinet so that said latching means engage to lock said chassis to said cabinet and said gasket is compressed between said frame means and said sealing surface to seal said chassis to said frame.
Claim 2
Dependent Claim
187 words
An air conditioner, comprising: an outer cabinet having an opening at one end thereof; an inner chassis removably positioned in said cabinet; a frame member arranged around said opening; a sealing surface member on said chassis corresponding in size and shape to said frame member; latching means including a tab means on one of said members arranged to engage slot means on the other of said members; a resilient gasket arranged to be engaged between said sealing surface member and said frame member when said chassis is positioned in said cabinet; cam means on said chassis including a front cam surface engaging said frame member for lifting said chassis during its insertion through said opening into said cabinet for aligning said tab means with said slot means; and a back cam surface on said cam means for causing the continuing insertion and lowering of said chassis on said frame member and into said cabinet so that said latching means engage to lock said chassis to said cabinet and said gasket is compressed between said frame means and said sealing surface to seal said chassis to said frame.
Claim 3
Dependent Claim
46 words
An air conditioner according to claim 1 wherein: said chassis includes a base pan having a support portion extending into said cabinet from said sealing surface member, and said cam means are formed integral with the underside of said support portion adjacent said sealing surface member.
Claim 4
Dependent Claim
42 words
An air conditioner according to claim 2 wherein: said locking means includes at least two tab means located on vertically disposed portions of said sealing surface member, and said slot means being located on complimentary vertically disposed portions of said frame member.
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) | 1977-09-30 | 1978-04-01 | 1978-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-30 | 1982-04-01 | 1982-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-30 | 1986-04-01 | 1986-10-01 | $7700.00 | Window Closed / Lapsed |