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US3777872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the transportation of loads between operations
Assignee: Individual
•
Filing: 1972-12-11
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Granted: 1973-12-11
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Expires: 1992-12-11
Abstract
Abstract The device of the present invention comprises overhead guide tracks along each of which carriages travel having hooks secured to them through hinged joints for attaching a hanger with a load. Between said tracks there is arranged an overhead transfer conveyor whose trolleys are provided with forks that engage with the carriage when the hanger is being removed from or (attached to) the hook. The teeth of the fork are arranged at the level of the joint and have a height equal to the height of the upper part of the hook, which makes it possible to return the hook to its initial position to ensure reliable engagement should the hook deviate from its vertical position in the zone of engagement.
Inventors
- 👤 M Rikman
- 👤 F Ioffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:21
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
402 words
A device for the transportation of loads between operations comprising at least two overhead guide track means; at least one first carriage means arranged on each of said guide track means; a first traction member secured to said first carriage means; hook means hinged to said first carriage means; each of said hook means having in the zone of its attachment to said first carriage means a section with side surfaces approximately parallel to the longitudinal axis of symmetry of said hook means, the distance between said surfaces being not less than the width of said first carriage means connected to said carriage means; hanger means connected to said hook means for carrying said load attached thereto; an overhead transfer conveyor means arranged between said at least two guide track means and including at least one second carriage means of said conveyor means; overhead tracks wherealong said second carriage means move; a second traction member secured to said second carriage means; pusher means secured to said second traction member; trolleys interacting with said pusher means to be movable thereby; rails whereon said trolleys move; a lever mounted on each of said trolleys to grip said hanger means when transferring it from the first carriage means of one of said guide track means to the first carriage means of the other of said guide track means; master guide means used as supports for said lever and having an inclined surface to rise and lower said lever during removal or suspension of said hanger means with the load from said hook means, said trolleys having a fork secured thereto with teeth meshing with said first carriage means of said overhead guide track means to ensure a synchronous travel of said trolleys with said first carriage means during removal or suspension of said hanger means from said hook means, said fork being so secured on said trolleys that said teeth are level with the point of attachment of said hook means to said first carriage means, at least one tooth of each fork having a height approximately equal to the height of said section of said hook means, so that upon deviation of said hook means from a vertical position, this tooth interacting with the side surface of said hook means will return it to its vertical position for reliable attachment of said hanger means to said hook means upon attachment of the load thereto.
Claim 2
Independent Claim
402 words
A device for the transportation of loads between operations comprising at least two overhead guide track means; at least one first carriage means arranged on each of said guide track means; a first traction member secured to said first carriage means; hook means hinged to said first carriage means; each of said hook means having in the zone of its attachment to said first carriage means a section with side surfaces approximately parallel to the longitudinal axis of symmetry of said hook means, the distance between said surfaces being not less than the width of said first carriage means connected to said carriage means; hanger means connected to said hook means for carrying said load attached thereto; an overhead transfer conveyor means arranged between said at least two guide track means and including at least one second carriage means of said conveyor means; overhead tracks wherealong said second carriage means move; a second traction member secured to said second carriage means; pusher means secured to said second traction member; trolleys interacting with said pusher means to be movable thereby; rails whereon said trolleys move; a lever mounted on each of said trolleys to grip said hanger means when transferring it from the first carriage means of one of said guide track means to the first carriage means of the other of said guide track means; master guide means used as supports for said lever and having an inclined surface to rise and lower said lever during removal or suspension of said hanger means with the load from said hook means, said trolleys having a fork secured thereto with teeth meshing with said first carriage means of said overhead guide track means to ensure a synchronous travel of said trolleys with said first carriage means during removal or suspension of said hanger means from said hook means, said fork being so secured on said trolleys that said teeth are level with the point of attachment of said hook means to said first carriage means, at least one tooth of each fork having a height approximately equal to the height of said section of said hook means, so that upon deviation of said hook means from a vertical position, this tooth interacting with the side surface of said hook means will return it to its vertical position for reliable attachment of said hanger means to said hook means upon attachment of the load thereto.
References Cited (Backward Citations)
US3495720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |