GB1332169A - Extension wheels for tractors - Google Patents
Extension wheels for tractorsInfo
- Publication number
- GB1332169A GB1332169A GB1332169DA GB1332169A GB 1332169 A GB1332169 A GB 1332169A GB 1332169D A GB1332169D A GB 1332169DA GB 1332169 A GB1332169 A GB 1332169A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheel
- spokes
- pivotable
- brackets
- rim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B15/00—Wheels or wheel attachments designed for increasing traction
- B60B15/26—Auxiliary wheels or rings with traction-increasing surface attachable to the main wheel body
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
1332169 Extension wheels for tractors F A STANDEN & SONS (ENG) Ltd 20 Oct 1971 [4 Dec 1970] 57608/70 Addition to 1239763 Heading B7C The tractor extension wheel of Specification 1,239,763 is modified in that spokes 3 are rigidly connected at their radially outer ends to the rim of the wheel and some spokes carry pivotable location brackets for engagement with a tractor wheel rim in addition to fixed lugs or location brackets 10 carried by other spokes. Each pivotable location bracket may comprise a part 11 secured to the associated spoke 3 and having a pivot pin 12 carrying a pivotable part 13 for movement between stops 14 on the part 11, in use the part 13 being pivoted into secure engagement with the tractor wheel rim as the extension wheel is drawn axially inwardly towards the tractor wheel by turning a nut 9 against a hub 6 carrying the radially inner ends of the spokes 3. The pivotable brackets are preferably located in diametrically opposed positions to the fixed brackets, the relative numbers of fixed and pivotable brackets depending on the number of spokes 3. In another modification the cage or openwork rim of the wheel in Fig. 1 is replaced by a single channel-section hoop to which radially outwardly directed spade lugs are secured, and in a further modification a rim capable of carrying a pneumatic tyre is provided.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5760870 | 1971-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1332169A true GB1332169A (en) | 1973-10-03 |
Family
ID=10479581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1332169D Expired GB1332169A (en) | 1971-10-20 | 1971-10-20 | Extension wheels for tractors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1332169A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2334513A1 (en) * | 1975-12-13 | 1977-07-08 | Mol Pieter Krijn | ATTACHMENT DEVICE TO ENSURE THE REMOVABLE FASTENING OF AN ADDITIONAL WHEEL TO A TRACTOR OR SIMILAR VEHICLE WHEEL |
EP0021649A2 (en) * | 1979-06-08 | 1981-01-07 | Hestair Farm Equipment Limited | Wheel mounting apparatus |
FR2503050A1 (en) * | 1981-04-01 | 1982-10-08 | Valmet Oy | DEVICE FOR FIXING A SECOND WHEEL TO FORM A DOUBLE WHEEL, PARTICULARLY ON A TRACTOR |
-
1971
- 1971-10-20 GB GB1332169D patent/GB1332169A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2334513A1 (en) * | 1975-12-13 | 1977-07-08 | Mol Pieter Krijn | ATTACHMENT DEVICE TO ENSURE THE REMOVABLE FASTENING OF AN ADDITIONAL WHEEL TO A TRACTOR OR SIMILAR VEHICLE WHEEL |
EP0021649A2 (en) * | 1979-06-08 | 1981-01-07 | Hestair Farm Equipment Limited | Wheel mounting apparatus |
EP0021649A3 (en) * | 1979-06-08 | 1981-04-01 | Hestair Farm Equipment Limited | Wheel mounting apparatus |
FR2503050A1 (en) * | 1981-04-01 | 1982-10-08 | Valmet Oy | DEVICE FOR FIXING A SECOND WHEEL TO FORM A DOUBLE WHEEL, PARTICULARLY ON A TRACTOR |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |