Device for marking a measuring point

G - Physics – 01 – C

Patent

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Details

G01C 15/04 (2006.01)

Patent

CA 2192056

The device consists of a pipe (1), in which a shaft (20) of a marking component (2) can be moved. The pipe (1) has a soil anchor (4) at the bottom. The component (2) has a head (21) at the top and can be lifted from a lowered position, in which the head (21) lies next to the top face (14) of the pipe (1) into the lifted position shown against the force of a spring (3). In the lifted position, the component (2) can be stopped by means of a bayonet lock. The device is inserted into the ground vertically at a measuring, e.g., on a soccer field, such that in the lowered position, the top (25) of the head (21) is flush with the ground surface. If the markings on the field need to be renewed, the corresponding components (2) are lifted and stopped. A cord is stretched between two components (2), along which cord a straight line can be marked, or a circle can be drawn with a cord around one of the components (2) The marking of the field can thus be rationalized and expensive re-measuring can be avoided.

ispositif constitué d'un tube (1) dans lequel se déplace un repère de marquage (2) composé d'un axe (20) et d'une tête (21). L'extrémité inférieure du tube (1) est munie d'un dispositif d'ancrage au sol (4). La tête (21) du repère de marquage (2) peut être soulevée de sa position de repos, où elle s'appuie sur le bout (14) du tube (1), par l'action d'un ressort (3), et peut être bloquée dans cette position au moyen d'un dispositif à baïonnette. Le dispositif de cette invention est destiné à être fiché dans le sol, par exemple dans un terrain de soccer, de manière que la surface supérieure (25) de la tête (21) affleure la surface du sol. Lorsque les marques sur le terrain doivent être refaites, on soulève le repère de marquage (2) des différents dispositifs plantés aux endroits voulus dans le terrain et on les bloque dans cette position. Pour tracer une ligne droite, on tend une corde entre les deux repères de marquage (2) concernés, puis on trace la ligne le long de la corde. Pour tracer un cercle, il suffit d'attacher une corde au repère (2) concerné. Le dispositif de cette invention permet de rationaliser le marquage d'un terrain et d'éviter l'opération coûteuse du mesurage.

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