US4320859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated bucket with air pump
Assignee: Individual
•
Filing: 1980-06-04
•
Granted: 1982-03-23
•
Expires: 2000-06-04
Abstract
Abstract The present invention relates to an air compressed thermal bucket and, more particularly, to an air compressed thermal bucket, in which the drain pipe may be laid on the bucket body at users' will and the outlet may be automatically locked by way of a locked mechanism to prevent boiling water within the bucket from spilling over and to prevent loss of heat.
Inventors
- 👤 Min C. Shy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:09
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04; B67D1/0412; B67D1/0425; A; A47; A47J; A47J41/00; A47J41/0005; A47J41/0027; A47J41/0033
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
208 words
A heat insulated bucket including air compressing means for dispensing liquid therefrom, comprising: a bucket body having an opening centrally located at the upper end thereof, said opening having screw threads on the inner wall thereof and an annular ledge adjacent its lower end; a stopper member seated on said annular ledge, said stopper member having a hole extending therethrough facilitating air communication with the inside of said bucket body; said air compressing means including an elastic pouch fastened on top of said stopper member in said opening of bucket and provided with an exhause exit at its lower end in communication with said hole of said stopper member; an L-shaped delivery tube rotatably mounted in the top of said bucket body with one end of said tube depending down into the inside of said bucket body to bottom or floor thereof and the other end of said tube including an outlet extending outside of said bucket body for rotation to and away from above the top of said bucket body; and a cap member shiftably mounted in the top of said body bucket and yieldable means urging said cap member against said outlet of delivery tube when said other end thereof is rotated to the closed position.
Claim 2
Dependent Claim
208 words
A heat insulated bucket including air compressing means for dispensing liquid therefrom, comprising: a bucket body having an opening centrally located at the upper end thereof, said opening having screw threads on the inner wall thereof and an annular ledge adjacent its lower end; a stopper member seated on said annular ledge, said stopper member having a hole extending therethrough facilitating air communication with the inside of said bucket body; said air compressing means including an elastic pouch fastened on top of said stopper member in said opening of bucket and provided with an exhause exit at its lower end in communication with said hole of said stopper member; an L-shaped delivery tube rotatably mounted in the top of said bucket body with one end of said tube depending down into the inside of said bucket body to bottom or floor thereof and the other end of said tube including an outlet extending outside of said bucket body for rotation to and away from above the top of said bucket body; and a cap member shiftably mounted in the top of said body bucket and yieldable means urging said cap member against said outlet of delivery tube when said other end thereof is rotated to the closed position.
Claim 3
Dependent Claim
31 words
The bucket as claimed in claim 1, wherein the delivery tube is pivoted on the top of the bucket body by means of two fixed rings and may be turned arbitrarily.
Claim 4
Dependent Claim
55 words
An air compressed thermos bucket as claimed in claim 1, wherein the top of the bucket body where the delivery tube and the cap body are mounted, is formed to be a concave trough in slight triangular shape, and the drain pipe will be defined within the said triangular area for its anchorage and turning.
Claim 5
Dependent Claim
132 words
The bucket as claimed in claim 1 wherein the top of said bucket body is formed with a slotted hole portion and said cap member is shiftably disposed therein and includes a head portion tending to protrude slightly out of the top of said bucket body, said cap member also having an axle bar or stem portion extending downwardly from beneath said head portion, said slotted hole portion including a reduced diameter portion with said axle bar or stem portion extending therein to facilitate guided shifting of said cap member, and said yieldable means is in the form of a compression spring extending around said stem portion for compression between the underside of the head portion of said cap member and a shoulder above said reduced diameter portion of the slotted hole.
References Cited (Backward Citations)
US2083776A
Cited
US2069018A
Cited
US2275607A
Cited
US2920795A
Cited
US2853210A
Cited
US4174053A
Cited
US4125207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-22 | 1985-09-21 | 1986-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-22 | 1989-09-21 | 1990-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-22 | 1993-09-21 | 1994-03-23 | $7700.00 | Window Closed / Lapsed |