SE500358C2 - pole climber - Google Patents
pole climberInfo
- Publication number
- SE500358C2 SE500358C2 SE8901792A SE8901792A SE500358C2 SE 500358 C2 SE500358 C2 SE 500358C2 SE 8901792 A SE8901792 A SE 8901792A SE 8901792 A SE8901792 A SE 8901792A SE 500358 C2 SE500358 C2 SE 500358C2
- Authority
- SE
- Sweden
- Prior art keywords
- post
- foot plate
- shoe according
- angle
- post shoe
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B27/00—Apparatus for climbing poles, trees, or the like
Abstract
Description
. Û J TI fï '211 4 »lg-s Q ( vanligtvis 5-25 grader, företrädesvis 10-20 grader, med fotplattans längdaxel. . Û J TI fï '211 4 »lg-s Q (usually 5-25 degrees, preferably 10-20 degrees, with the longitudinal axis of the footplate.
Uppfinningen eliminerar i allt väsentligt uppkomsten av böj- pákänningar i vertikalplanet hos draglänken,som förenar griporganet med fotplattan, samtidigt som förbindningarna mellan fotplatta och draglänk belastas minimalt. Istället tas huvuddelen av lasten upp som dragspänning i draglänken och tryckbelastning i fotplattan. Detta medför att materia- let kan utnyttjas optimalt och därmed fås en tillförlitlig stolpsko med låg vikt som dessutom sitter säkrare vid ökande last, en självlásande funktion erhålls.The invention substantially eliminates the occurrence of bending stresses in the vertical plane of the pull link, which connects the gripping member to the foot plate, while at the same time minimizing the connections between the foot plate and the pull link. Instead, the main part of the load is taken up as tensile stress in the tensile link and compressive load in the foot plate. This means that the material can be utilized optimally and thus a reliable pole shoe with low weight is obtained which is also safer with increasing load, a self-locking function is obtained.
Genom att draglänken i huvudsak utsätts för dragpåkänning utföres den med fördel av en fiberkomposit, exempelvis sheet moulding compound, SMC, ett polyesterharts med tillsats av glasfibrer och fyllmedel, med fibrerna orienterade i drag- riktningen, eller annan fiberarmerad härdplast med riktade fibrer lämpligen baserad på härdplaster såsom polyesterhart- ser eller epoxyhartser. Genom att orientera fibrerna i kom- positmaterialet erhålls en mycket säker stolpsko. Risken för plötsliga brott elimineras eller åtminstone minimeras då fibrerna även vid begynnande brott kan uppta stor last i den skadade delen. Lämpligen används glas, kol eller aramidfib- rer med en draghàllfasthet av minst 1250 MPa.Because the tensile link is mainly subjected to tensile stress, it is advantageously made of a fiber composite, for example sheet molding compound, SMC, a polyester resin with the addition of glass fibers and fillers, with the fibers oriented in the tensile direction, or other fiber-reinforced thermosetting plastic suitably based on thermosets such as polyester resins or epoxy resins. By orienting the fibers in the composite material, a very secure pole shoe is obtained. The risk of sudden fractures is eliminated or at least minimized as the fibers can take up a large load in the damaged part even with incipient fractures. Glass, carbon or aramid fibers with a tensile strength of at least 1250 MPa are suitably used.
Fotplattan kan när stolpskon göres i ett stycke utföras i fiberarmerad härdplast av samma typ som draglänken. Göres stolpskon i separata två delar, draglänk och fotplatta, kan fotplattan även utföras i termoplast, exempelvis termoplas- tisk polyester med slumpvist orienterade fibrer.When the post shoe is made in one piece, the foot plate can be made of fiber-reinforced thermosetting plastic of the same type as the drawbar. If the post shoe is made in separate two parts, pull link and foot plate, the foot plate can also be made of thermoplastic, for example thermoplastic polyester with randomly oriented fibers.
Med en stolpsko utformad och utförd i material enligt upp- finningen fås dessutom en större styvhet än hos pà marknaden förekommande lätta stàlskor, mindre korrosionsproblem än med stål och lägre produktionskostnader. Härigenom fås en till- förlitlig stolpsko med låga underhållskostnader, ingen annan säkerhetskontroll än klättermannens egna visuella besiktning krävs.With a post shoe designed and made of material according to the invention, a greater rigidity is also obtained than with light steel shoes on the market, less corrosion problems than with steel and lower production costs. This results in a reliable pole shoe with low maintenance costs, no other security check than the climber's own visual inspection is required.
Genom att förse dubben i fotplattans tá med ett cylindriskt hàrdmetallstift med en 60 graders spetsvinkel säkerställs att stolpskon greppar och släpper lätt dessutom minskas sli- tage i tàpartiet.By fitting the stud in the toe of the foot plate with a cylindrical cemented carbide pin with a 60 degree tip angle, it is ensured that the post shoe grips and releases easily, and wear in the toe area is also reduced.
Stolpskon kan dà den är gjord i två delar lätt anpassas till olika stolpdiametrar genom att den är försedd med utbytbara draglänkar av olika längd.When it is made in two parts, the post shoe can easily be adapted to different post diameters by being equipped with interchangeable pull links of different lengths.
FIGURER Uppfinningen visas sedd frán sidan i figur 1 och sedd upp- ifrån i figur 2. Figur 3 visar krafterna vid belastning av stolpskon.FIGURES The invention is shown seen from the side in Figure 1 and seen from above in Figure 2. Figure 3 shows the forces when loading the post shoe.
FIGURBESKRIVNING Stolpskon består enligt uppfinningen av en fotplatta 11 och en draglänk 12 vars ena ände utgör griporgan 13 för att gri- pa runt stolpen 10 och andra ände utgör stöd 14 för fot- plattan 11 med vilken draglänken 12 är förbunden. Fotplatta ll och draglänk är förbundna i en vinkel(1 som vanligen är 20-45 grader, speciellt 25-35 grader, förbindningen är gjord mellan den ände av draglänken 12 som utgör stöd 14 för fot- plattan 11 och fotplattans hälparti 15.DESCRIPTION OF THE FIGURES According to the invention, the post shoe consists of a foot plate 11 and a pull link 12, one end of which constitutes gripping means 13 for gripping around the post 10 and the other end constitutes support 14 for the foot plate 11 to which the pull link 12 is connected. Foot plate 11 and traction link are connected at an angle (1 which is usually 20-45 degrees, especially 25-35 degrees, the connection is made between the end of the traction link 12 which forms a support 14 for the foot plate 11 and the heel portion 15 of the foot plate.
Av stabilitets skäl sammanbinds sedan fotplattans tàparti 16 och draglänken 12 genom staget 18 så att den raka delen av draglänken bildar en vinkel ß med fotplattans 11 längdsaxel.For reasons of stability, the toe portion 16 of the foot plate and the pull link 12 are then connected together by the strut 18 so that the straight part of the pull link forms an angle ß with the longitudinal axis of the foot plate 11.
Vinkeln ß kan varieras inom intervallet 5-25 grader, spe- ciellt 10-20 grader.The angle ß can be varied in the range 5-25 degrees, especially 10-20 degrees.
Draglänken 12 är gjord i fiberarmerat kompositmaterial med fibrerna riktade i längdsriktningen lämpligen SMC, sheet moulding compound, eller annan fiberarmerad härdplast base-The drawbar 12 is made of fiber-reinforced composite material with the fibers directed in the longitudinal direction suitably SMC, sheet molding compound, or other fiber-reinforced thermoset base.
Claims (12)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8901792A SE500358C2 (en) | 1989-05-18 | 1989-05-18 | pole climber |
PCT/SE1990/000267 WO1990014133A1 (en) | 1989-05-18 | 1990-04-23 | Pole climber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8901792A SE500358C2 (en) | 1989-05-18 | 1989-05-18 | pole climber |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8901792D0 SE8901792D0 (en) | 1989-05-18 |
SE8901792L SE8901792L (en) | 1990-11-19 |
SE500358C2 true SE500358C2 (en) | 1994-06-06 |
Family
ID=20375993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8901792A SE500358C2 (en) | 1989-05-18 | 1989-05-18 | pole climber |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE500358C2 (en) |
WO (1) | WO1990014133A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2320173A (en) * | 1996-12-12 | 1998-06-17 | John Harris | Demountable tool |
GB2334065A (en) * | 1998-02-03 | 1999-08-11 | James Barrie Ward | A climbing aid comprising a step and releasable securing or gripping means |
CN104722041A (en) * | 2015-04-09 | 2015-06-24 | 梁亨 | Anti-slip liner of pole climber |
CN104722042A (en) * | 2015-04-09 | 2015-06-24 | 梁亨 | Light pole climber |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE139851C (en) * | ||||
US3726360A (en) * | 1971-02-18 | 1973-04-10 | W Price | Mast or pole climbing device |
SE386592B (en) * | 1974-03-12 | 1976-08-16 | L G Bergman | DEVICE FOR POST SHOES |
-
1989
- 1989-05-18 SE SE8901792A patent/SE500358C2/en not_active IP Right Cessation
-
1990
- 1990-04-23 WO PCT/SE1990/000267 patent/WO1990014133A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE8901792L (en) | 1990-11-19 |
WO1990014133A1 (en) | 1990-11-29 |
SE8901792D0 (en) | 1989-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |