DE202022002425U1 - Pole foot for snow sports poles, slope borders and other marking attachments - Google Patents

Abstract

Pole base with spreading technology for snow sports poles, sports markings and slope boundaries, characterized in that one or more spreading elements widen the cross section of the pole base by rotating the upper pole tube (1) and thus brace it in the borehole (2).

Description

The invention relates to an anchoring system for ski sport poles, other marking attachments or piste borders, which anchors the pole in the ground due to a spreading mechanism. The spread width can be regulated by a turning mechanism.

1. Field of application

In the sports or leisure sector, poles for course markings or boundaries often have to be installed in unsealed subsoil

For example, pole markings are used as route specifications in skiing. The athletes avoid these markings as closely as possible or touch them. These bars usually consist of 3 main elements.

The base of the pole: This is inserted into the snow and locks the pole in the ground.

The tilting joint: This allows the pole to tilt if the skier makes contact, so that there is no injury on contact.

The Pole Tube: This is a plastic tube that stands prominently above the surface and is circumvented or tilted by the athlete.

Contact with the athlete causes forces to act on the rod that would pull the rod out of the drill hole if it were not locked. Therefore, the base of the rod must counteract these forces.

2. State of the art

So far, this has been realized via 2 main techniques.

2. 1 foot with screw thread

Screw-threaded foot on the outside of the rod foot that cuts into the rim of the drilled hole when screwed in:

2.2 feet with brushes

Brush-based system in which side brushes hold the rod base in the drill hole. (see US patent: 8240713B2 ).

• • Ein zusätzlicher Schlüssel wird für das Eindrehen gebraucht (Eindreh-Fuß)
• • Tiefes Einbringen in den Schnee erforderlich (25cm - 35 cm)
• • Wenn sich das Bohrloch aufgrund der Krafteinwirkung durch den Athletenkontakt weitet, ist kein Nachjustieren möglich, es muss ein neues Loch gebohrt werden.

The technologies used so far have the following disadvantages:

• • An additional key is required for screwing in (screw-in foot)
• • Requires deep penetration into the snow (25cm - 35cm)
• • If the drill hole widens due to the impact of the athlete's contact, no readjustment is possible, a new hole must be drilled.

3 Object of the Invention

• • Aufgrund der starken Haltekraft wird weniger Schnee gebraucht. Bereits ab 10 cm Schneeauflage kann der Stangenfuß eingesetzt werden. Gerade in schneearmen Regionen bzw. Wintern ist dies ein Vorteil, da die Schnee-Erzeugung immer schwieriger und kostenintensiver wird.
• • Nachjustieren im bestehenden Bohrloch: Der Spreizmechanismus, der durch Drehen am Stangenrohr angetrieben wird, ermöglicht, dass kein neues Loch gebohrt werden muss, wenn sich das Bestandsbohrloch während Training oder Wettkampf weitet.
• • Für das Einbringen und Nachjustieren im Bohrloch ist kein zusätzliches Werkzeug (z.B. Drehschlüssel) nötig.

Thanks to its new technology, the new spreader bar foot improves use in the following points:

• • Less snow is needed due to the strong holding power. The pole base can be used from as little as 10 cm of snow. This is an advantage, especially in regions with little snow or winters, since snow production is becoming increasingly difficult and expensive.
• • Readjustment in the existing borehole: The spreading mechanism, which is driven by turning the rod pipe, means that no new hole has to be drilled if the existing borehole widens during training or competition.
• • No additional tools (eg rotary wrench) are required for insertion and readjustment in the drill hole.

4 Detailed description of the invention

The spreader bar foot consists of a screw body, a casing and the spreader elements.

The hollow screw body provides a receptacle for the end part of the toggle joint at the top and encloses the bottom spring of the toggle joint. Rod-tube toggle joint and spreader base are screwed together.

On the sports track, the bar with the closed spreader bar foot is placed in the appropriate drill hole and by turning the bar tube clockwise, the spreader wings brace themselves in the drill hole. The pole holds.

When dismantling the rod, the tube is turned anti-clockwise, the two spreader wings are pulled inwards, and the rod can then be removed without any effort.

There is a thread on the screw body, on which there are washers. Wings of a joint are attached to these disks. The second, longer wing of the joint is attached to the opposite disc. At the other end of this wing there is an axis connection tion, which in turn is connected to the spreading surface.

The thread is divided in two with opposite orientation. The top and bottom turntables have no connection to the thread.

The two inner discs run up or down on the thread depending on the direction of rotation of the screw body.

With their fixed connection to the expansion elements, they push them away from the screw body or pull them back towards the screw body. The specially developed joints allow vertical movement, which is initiated by the rotary movement on the rod tube, to be
transferred to a horizontal spreading movement.

The casing lies between the joints and spreader surfaces. It seals the joints against penetrating snow and water. The axes between the expansion surface and the joint are guided through the casing with bores.

Reference List

1

Upper Pole Tube

2

bracing distance

3

Embracing and fastening the toggle joint

4

screw body

5

thread

6

Thread, divided in two with opposite direction

7

expanding joints

8th

retaining ring

9

rotating rings

10

expansion axis

11

spreading element

12

casing

13

drilling

14

expansion axis

15

Circular path or straight version

QUOTES INCLUDED IN DESCRIPTION

This list of documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent Literature Cited

• US8240713B2 [0010]

Claims (5)

Pole foot with spreading technology for snow sports poles, sport markings and slope boundaries, characterized in that one or more spreading elements widen the cross section of the pole foot by rotating the upper pole tube (1) and thus brace it in the borehole (2). screw body after claim 1 characterized in that the end of the tilting joint is fastened from above (3) and the springs of the tilting joint are guided through the screw body (4). The screw body has a thread (5), which can also be a two-part thread in opposite directions (6). Expanding joints according to the preceding claims, characterized in that they convert vertical movement into horizontal movement. The joints (7) are attached to a retaining ring (8) on the upper side, which has no fixed connection to the screw body. The longer arm of the joint is attached to a rotary ring (9), which sits on the thread and moves up or down depending on the direction of rotation. At the end of this lever there is an axle (10) which connects the lever to the spreading element (11). If several joints are attached, they can be attached mirror-inverted to the rotating rings on the lower half. Casing according to the preceding claims, which is characterized in that it closely surrounds the screw body and the joints (12) and has bores for the expansion axes (13). Spreader element according to the preceding claims, characterized in that there is at least one. It has a mount for the spreader axle (14). If several are used, they can form a circular path (15) or be straight.

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