GB1308398A - Timber harvesting apparatus - Google Patents
Timber harvesting apparatusInfo
- Publication number
- GB1308398A GB1308398A GB1308398DA GB1308398A GB 1308398 A GB1308398 A GB 1308398A GB 1308398D A GB1308398D A GB 1308398DA GB 1308398 A GB1308398 A GB 1308398A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cable
- tree
- location
- pulley
- pulleys
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/003—Collecting felled trees
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
1308398 Hauling DET NORSKE SKOGFORSOKSVESEN 23 Dec 1970 61241/70 Heading B8B A tree hauling apparatus comprises a vehicle 2 provided with a pair of coaxial winch drums 80 for winding opposite ends 87, 89 of a looped haulage cable 84, and a tree delimbing device 26 through which trees are hauled by the cable during transport between a tree felling and a tree depositing location, at each of which a return pulley for the cable is anchored. The cable 84 is supported above the delimbing device 26 by one of a pair of pulleys 66, 68, the support arms 62, 64 of which are rotatable under power about an axis longitudinally of the vehicle such that the pulley 66 supports the cable until a tree supporting strap 92 on the cable has passed the pulley 68 whereafter the latter moves in to support the cable and the pulley 66 retracts to permit free passage of the strap 92 therepast. The trees are guided out of the device 26 by rollers 40, 42 biased together. The device 26, pulleys 66, 68 and rollers 40, 42 are mounted on a frame 60, 9, which is rotatable on the vehicle about a vertical axis to facilitate an angular infeed of trees to the apparatus. In the embodiment of Figs. 9a, 9b (not shown) the two ends of cable leave the vehicle in the same direction, pass over a set of two pulleys at the depositing location and two pairs of pulleys above the delimbing device, and finally around a return pulley at the felling location. This facilitates the movement of one tree from the felling location as soon as another tree is deposited at the other location, a tree supporting strap being associated with each run of the cable between the two locations.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB6124170 | 1970-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1308398A true GB1308398A (en) | 1973-02-21 |
Family
ID=10486765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1308398D Expired GB1308398A (en) | 1970-12-23 | 1970-12-23 | Timber harvesting apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1308398A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4205364A1 (en) * | 1991-02-22 | 1992-09-03 | Alps Electric Co Ltd | Trip switch for vehicle electric window or seat adjustment - has flexure zones defined by slits in movable contact piece |
JP2018038302A (en) * | 2016-09-06 | 2018-03-15 | 合同会社森林システム研究所 | Collection vehicle and driving method therefor |
CN115413555A (en) * | 2022-09-16 | 2022-12-02 | 重庆市林业科学研究院 | Tree cutting anti-falling device and cutting method thereof |
-
1970
- 1970-12-23 GB GB1308398D patent/GB1308398A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4205364A1 (en) * | 1991-02-22 | 1992-09-03 | Alps Electric Co Ltd | Trip switch for vehicle electric window or seat adjustment - has flexure zones defined by slits in movable contact piece |
JP2018038302A (en) * | 2016-09-06 | 2018-03-15 | 合同会社森林システム研究所 | Collection vehicle and driving method therefor |
CN115413555A (en) * | 2022-09-16 | 2022-12-02 | 重庆市林业科学研究院 | Tree cutting anti-falling device and cutting method thereof |
CN115413555B (en) * | 2022-09-16 | 2023-10-20 | 重庆市林业科学研究院 | Tree felling anti-tilting device and method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |