Patent US3734470A successfully refreshed from Google Patents.
US3734470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing apparatus
Assignee: DRESHER M KG
•
Filing: 1971-09-08
•
Granted: 1973-05-22
•
Expires: 1991-09-08
Abstract
Abstract A frame mounting a pair of rotatable rollers forming a seat for a cylindrical drum container. Means for receiving the drum after mixing and means for lifting the drum from the rollers into the receiving means with the axis of the drum maintained in parallel relationship to the axis of the rollers.
Inventors
- 👤 M Dreher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:08
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/82
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
102 words
Apparatus for mixing, comprising a frame, a pair of rotatable rollers mounted on said frame, said rollers being arranged in parallel spaced relationship to form a seat therebetween for receiving a drum container thereon with its axis parallel to the axis of the rollers, means for rotating at least one of said rollers to thereby effect the rotation of said drum, a carrier mounted to the frame in front of said rollers for receiving said drum and means for lifting said drum from said rollers and causing said drum to roll with its axis parallel to said rollers on to said carrier.
Claim 2
Dependent Claim
102 words
Apparatus for mixing, comprising a frame, a pair of rotatable rollers mounted on said frame, said rollers being arranged in parallel spaced relationship to form a seat therebetween for receiving a drum container thereon with its axis parallel to the axis of the rollers, means for rotating at least one of said rollers to thereby effect the rotation of said drum, a carrier mounted to the frame in front of said rollers for receiving said drum and means for lifting said drum from said rollers and causing said drum to roll with its axis parallel to said rollers on to said carrier.
Claim 3
Dependent Claim
35 words
The apparatus according to claim 1 wherein the lifting mechanism is arranged on the frame to extend below the rollers and below the carrier, said lifting mechanism being activated by means of a foot pedal.
Claim 4
Dependent Claim
59 words
The drum apparatus according to claim 2 wherein the drum lifting mechanism comprises a double armed lever swingable about an axis parallel to the axis of the rollers, having a foot bar at the front end and means at the other end for engaging said drum container thereby to move said drum container under pressure on said foot end.
Claim 5
Dependent Claim
50 words
The apparatus according to claim 3 wherein the drum container is provided with a flanged bogey wheel at each end and wherein the inner arm of said lever is provided with a propping roller cooperating by engaging the periphery of said bogey wheel and adapted to lift said drum thereby.
Claim 6
Dependent Claim
27 words
The apparatus according to claim 4 wherein said carrier comprises bearing means adapted to receive said drum container and to per-mit rotation of said drum container therein.
Claim 7
Dependent Claim
56 words
The apparatus according to claim 5 wherein said carrier means comprises a pair of vertically spaced walls connected by a transverse member at its forward and rear end, the upper edge of each of said walls being provided with at least one bearing groove, said containers having extending shafts adapted to be received by said grooves.
Claim 8
Dependent Claim
38 words
The apparatus according to claim 6 wherein the forward connecting member comprises a ledge inclined downwardly to the forward Portion of said carrier whereby said container may be made to roll over said plate onto said bearing grooves.
Claim 9
Dependent Claim
29 words
The apparatus according to claim 7 wherein the support table comprises a pair of outwardly extending brackets joined by a flat bottom member adapted to support the carrier member.
Claim 10
Dependent Claim
69 words
The apparatus according to claim 8 wherein the rollers are elongated so as to receive two or more drum containers arranged in axial juxtaposition, the carrier supporting table being movably secured to said chassis to be movable in front of a selected one of said drums, the lifting mechanism mounted on said movable supporting table whereby selected ones of said drums may be individually removed from the rotating roller.
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |