Machine for making a groove into a concrete surface or the like

Details Machine for making a groove into a concrete surface or the like Machine for making a groove into a concrete surface or the like

E - Fixed Constructions

01

C

E01C 23/09 (2006.01) B23D 47/02 (2006.01) B23D 47/12 (2006.01) B23Q 9/00 (2006.01) B26D 3/06 (2006.01) B27B 5/10 (2006.01) B28D 1/02 (2006.01) B28D 1/04 (2006.01)

Patent

CA 2236811

A machine is disclosed, for making a groove into a ceiling, a wall or a floor. The machine has a powered truck-like vehicle having a support base and an apparatus mounted on the base. The apparatus has two parallel spaced-apart booms pivotally mounted on the base and a holding head slidably mounted on each boom. An elongated main rail mounted on the heads in such a way that it may rotate about a longitudinal axis parallel to itself. A saw carrier is mounted on the main rail and a motorized saw is mounted on the saw carrier. The saw carrier can move along the main rail and the saw can be displaced on the saw carrier in a direction perpendicular to the longitudinal axis. The main rail is mounted on the heads with curved support members which are each pivotally connected to the respective head for rotation about the longitudinal axis. Each curved support member has a first end on which the main rail is mounted, so as to allow the main rail to pivot about a transversal axis perpendicular to the longitudinal axis. Each curved support member has a second end linked to the respective head in such a way that the curved support member can pivot about in connection to the respective head for levering the first end of the curved support member and, therefore, for rotating the main rail about the longitudinal axis. Each opposite end of the main rail preferably has an extendible leg for stabilizing the apparatus whenever required. This leg can be oriented in a third direction perpendicular to the longitudinal axis and perpendicular to a surface. Each leg can be attached at two different places in such a way that it extends more or less further.

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