US3702640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tipping girder for the transfer of rods or tubular elements
Assignee: Total Compagnie Francaise des Petroles SA
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Filing: 1970-04-13
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Granted: 1972-11-14
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Expires: 1990-04-13
Abstract
Abstract A tipping girder for the transfer of rods or tubular elements, comprising a plurality of adjustable guide nippers movably mounted on the girder for movement transverse to the longitudinal axis thereof, and adjustable locking nippers movably mounted on the girder for movement parallel and transverse to the longitudinal axis thereof. The locking nippers are constructed to automatically engage and lock a rod on the girder when it is moved away from a horizontal position.
Inventors
- 👤 Bernard G Cintract
- 👤 Rene G Sevin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:36
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/14; E21B19/15; E21B19/155
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
218 words
A girder assembly for the handling and transfer of elongated tubular members from one position to another, comprising: a. means mounting one end of the girder for rotation about a horizontal axis, b. means coupled to the girder for controlling the rotation of the girder about said axis, c. an abutment stop member mounted adjacent said one end of the girder and movable with respect thereto in a direction parallel to said axis, d. a plurality of guide members mounted on the girder and movable with respect thereto in a direction parallel to said axis, e. a transfer member mounted on the girder and movable with respect thereto in a first direction parallel to said axis and in a second direction parallel to the longitudinal axis of the girder, f. openable and closable gripping means mounted on the transfer member for lockingly engaging a tubular member being handled, g. means individually coupled to the stop member and the guide members for controlling the movement of the stop member and the guide members in a direction parallel to said axis, h. means coupled to the transfer member for controlling the movement of the transfer member in said first and second directions, and i. means coupled to the gripping means for controlling the opening and closing of the gripping means.
Claim 2
Dependent Claim
218 words
A girder assembly for the handling and transfer of elongated tubular members from one position to another, comprising: a. means mounting one end of the girder for rotation about a horizontal axis, b. means coupled to the girder for controlling the rotation of the girder about said axis, c. an abutment stop member mounted adjacent said one end of the girder and movable with respect thereto in a direction parallel to said axis, d. a plurality of guide members mounted on the girder and movable with respect thereto in a direction parallel to said axis, e. a transfer member mounted on the girder and movable with respect thereto in a first direction parallel to said axis and in a second direction parallel to the longitudinal axis of the girder, f. openable and closable gripping means mounted on the transfer member for lockingly engaging a tubular member being handled, g. means individually coupled to the stop member and the guide members for controlling the movement of the stop member and the guide members in a direction parallel to said axis, h. means coupled to the transfer member for controlling the movement of the transfer member in said first and second directions, and i. means coupled to the gripping means for controlling the opening and closing of the gripping means.
Claim 3
Dependent Claim
52 words
A girder assembly, as in claim 1 wherein said guide members each comprise a guide nipper having an adjustable opening for the reception of tubular members of different size, said guide nipper comprising movable levers and means for opening and closing sAid levers so as to release or retain a tubular member.
Claim 4
Dependent Claim
110 words
A girder assembly, as in claim 1, wherein said gripping means comprises locking nippers having a frame with two side plates between which moves a pair of arms having a curved end and a body including a groove, said arms being pivoted on a shaft on said frame, an angle-shaped jaw movable along a slide inside the curved end of each arm and perpendicularly to said frame, said jaw being positioned between two mutually opposing springs which rest on each of said side plates, said arms being opened and closed by the simple longitudinal movement of a shaft whose end is moved in said groove in each of said arms.
Claim 5
Dependent Claim
33 words
A girder assembly, as in claim 1, wherein said gripping means is constructed to automatically engage and lock a tubular member on the girder when it is moved away from a horizontal position.
Claim 6
Dependent Claim
32 words
A girder assembly, as in claim 4, further comprising a mobile cart which can be moved parallel to the longitudinal axis of the girder, said transfer member being attached to said cart.
Claim 7
Dependent Claim
27 words
A girder assembly, as in claim 5, wherein said cart is controlled by a jack that is secured to a support plate movably mounted on the girder.
Claim 8
Dependent Claim
164 words
A girder assembly, as in claim 2, wherein said guide nippers each comprises a frame having an inwardly curved portion for the guidance of large-diameter tubular members, two symmetrical arms whose opposing edges define surfaces for the guidance of all such members, said arms being movable toward and away from each other on said frame, means for retaining said arms in a desired position on said frame, two pivotable jacks on said frame, each of said jacks having rods with ends connected to said movable levers for retaining tubular members, two small connecting rods pivoted at one of their ends on said frame and having a shaft at the other end thereof that is slidable in a groove in the adjacent arm, each of said retaining levers being pivoted on the adjacent shaft and being movable to an open position releasing the tubular member when the rod of said jack is withdrawn to a retaining position when the rod of said jack is extended.
Claim 9
Dependent Claim
72 words
A girder assembly as in claim 1, wherein said gripping means comprises a locking nipper in the middle portion of the girder, there are three guide members mounted respectively on the lower portion of the girder, and the stop member is situated below the lower guide member, each of said guide members and said stop being connected to a jack for moving said guide members and said stop perpendicularly to the girder.
Claim 10
Dependent Claim
59 words
A girder assembly, as in claim 1 further comprising, a box-shaped element at the lower end thereof having two bearings adapted to receive a shaft for pivotally supporting said girder and having two-hook-on points, one for the attachment of the rod of a balancing jack and the other one for the attachment of the rod of a control jack.
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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |