Patent US3876087A successfully refreshed from Google Patents.
US3876087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable cylinder carrying carriage, for rotary machines for the treatment of band material
Assignee: Individual
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Filing: 1973-05-22
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Granted: 1975-04-08
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Expires: 1993-05-22
Abstract
Abstract In a rotary machine for the treatment of band material, a carriage carrying the working cylinder, the doctor and other correlative parts, which during the working periods remains integral with the machine and in order to allow removal of the carried components has two sets of wheels, one of which has a mechanism for lowering and lifting the wheels in order to render operative either the one or the other of the sets of wheels, whilst power means are provided for clamping a fixed part of the machine in an operative position wherein the working cylinder rests on supporting means of the machine thus discharging the carriage.
Inventors
- 👤 Francesco Osta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:13
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/06; B41F9/18
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
298 words
In a rotary machine for the treatment of band material, having a removable working cylinder and stationary guide means, a carriage comprising a frame, support means mounted on said frame for supporting said cylinder, mounted on the bottom of said frame a first set of wheels, also mounted on the bottom of said frame a second set of wheels, the wheels of said second set of wheels being fixedly positioned with their axes parallel to the axis of said supported cylinder, displacement means connected to said frame and to the wheels of said second set of wheels, whereby said second set of wheels can be lifted with respect to said first set of wheels by said displacement means thus rendering operative said first set of wheels in order to allow displacement of the carriage on the ground outside the machine, and said second set of wheels can be lowered with respect to said first set of wheels by said displacement means thus rendering operative said second set of wheels to allow displacement of the carriage, along a fixed direction perpendicular to the axis of the supported cylinder, on the ground inside said machine, said support means being hinged to said frame, means defining first reference surfaces on said frame, means defining second reference surfaces on said support means, said first and second reference surfaces cooperating with reference surfaces on said guide means fixed to the machine, and power means connected to said frame and support means for bringing near to each other under stress said first and second reference surfaces, whereby, when said first and second reference surfaces are arranged facing the reference surfaces of the machine, operation of said power means allows clamping said guide means of the machine thus rendering stationary the carriage in operative position.
Claim 2
Dependent Claim
298 words
In a rotary machine for the treatment of band material, having a removable working cylinder and stationary guide means, a carriage comprising a frame, support means mounted on said frame for supporting said cylinder, mounted on the bottom of said frame a first set of wheels, also mounted on the bottom of said frame a second set of wheels, the wheels of said second set of wheels being fixedly positioned with their axes parallel to the axis of said supported cylinder, displacement means connected to said frame and to the wheels of said second set of wheels, whereby said second set of wheels can be lifted with respect to said first set of wheels by said displacement means thus rendering operative said first set of wheels in order to allow displacement of the carriage on the ground outside the machine, and said second set of wheels can be lowered with respect to said first set of wheels by said displacement means thus rendering operative said second set of wheels to allow displacement of the carriage, along a fixed direction perpendicular to the axis of the supported cylinder, on the ground inside said machine, said support means being hinged to said frame, means defining first reference surfaces on said frame, means defining second reference surfaces on said support means, said first and second reference surfaces cooperating with reference surfaces on said guide means fixed to the machine, and power means connected to said frame and support means for bringing near to each other under stress said first and second reference surfaces, whereby, when said first and second reference surfaces are arranged facing the reference surfaces of the machine, operation of said power means allows clamping said guide means of the machine thus rendering stationary the carriage in operative position.
Claim 3
Dependent Claim
80 words
A machine as set forth in claim 1, wherein said machine has supporting means for the working cylinder, and the distance between said first reference surfaces and the support means of the carriage is less than the distance between the reference surfaces of the guide means and the supporting means of the machine, whereby when the carriage clamps said guide means the support means of the carriage lay down the supported cylinder onto the supporting means provided on the machine.
Claim 4
Dependent Claim
46 words
A machine as set forth in claim 1, wherein said displacement means for the wheels and said power means are pneumatic piston and cylinder assemblies, and the carriage further comprises at least one compressed air reservoir for supplying compressed air to said piston and cylinder assemblies.
Claim 5
Dependent Claim
57 words
A machine as set forth in claim 1, wherein the distance between said reference surfaces on said guide means and the ground is greater than the distance between said first reference surfaces and the ground whereby operation of said power means raises said frame into contact with said guide means and out of contact with the ground.
Claim 6
Dependent Claim
140 words
In a rotary machine for the treatment of band material, having a removable working cylinder and stationary guide means, a carriage comprising a frame, support means mounted on said frame for supporting said cylinder, wheel means mounted on the bottom of said frame, said support means being hinged to said frame, means defining first reference surfaces on said support means, said first and second reference surfaces cooperating with reference surfaces on said guide means fixed to the machine, and power means connected to said frame and support means for bringing near to each other under stress said first and second reference surfaces, whereby, when said first and second reference surfaces are arranged facing the reference surfaces of the machine, operation of said power means allows clamping said guide means of the machine thus rendering stationary the carriage in operative position.
Claim 7
Dependent Claim
140 words
In a rotary machine for the treatment of band material, having a removable working cylinder and stationary guide means, a carriage comprising a frame, support means mounted on said frame for supporting said cylinder, wheel means mounted on the bottom of said frame, said support means being hinged to said frame, means defining first reference surfaces on said support means, said first and second reference surfaces cooperating with reference surfaces on said guide means fixed to the machine, and power means connected to said frame and support means for bringing near to each other under stress said first and second reference surfaces, whereby, when said first and second reference surfaces are arranged facing the reference surfaces of the machine, operation of said power means allows clamping said guide means of the machine thus rendering stationary the carriage in operative position.
Claim 8
Dependent Claim
57 words
A machine as set forth in claim 5, wherein the distance between said reference surfaces on said guide means and the ground is greater than the distance between said first reference surfaces and the ground whereby operation of said power means raises said frame into contact with said guide means and out of contact with the ground.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-07 | 1978-10-07 | 1979-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-07 | 1982-10-07 | 1983-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-07 | 1986-10-07 | 1987-04-08 | $7700.00 | Window Closed / Lapsed |