Portable vibratory screed with bubble vial inclination...

Details Portable vibratory screed with bubble vial inclination... Portable vibratory screed with bubble vial inclination...

E - Fixed Constructions

01

C

E01C 19/40 (2006.01)

Patent

CA 2655394

A portable vibratory screed (10) includes a blade (12) that is connected to a handle (28) constructed to be manipulated by an operator. Nodes (112, 113, 115, 116) of minimum vibrational amplitude are formed at specific locations along the length of the blade when the exciter is driven at a rated operating speed. A site level (164) and/or the handle (28) is attached to the blade (12) at or in the vicinity of one or more of these nodes, therefore, is relatively isolated from induced vibrations.

L'invention concerne une règle à araser vibratoire portable (10) comprenant une lame (12) qui est raccordée à une poignée (28) construite pour être manipulée par un opérateur. Des nAEuds (112, 113, 115, 116) d'une amplitude vibratoire minimale sont formés à des emplacements spécifiques sur la longueur de la lame lorsque l'excitateur est entraîné à une vitesse de fonctionnement nominale. Un niveau de site (164) et/ou la poignée (28) est fixé(e) à la lame (12) au niveau ou dans le voisinage d'un ou plusieurs de ces nAEuds, par conséquent, il ou elle est relativement isolé(e) des vibrations induites.

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