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US 2019/0239712 A1Published application
Safety arrangement and method for a floor surfacing machine
AssigneeHusqvarna AB
InventorsJohan Persson, Johan Berg, Magnus Rosén
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AssigneeHusqvarna AB
InventorsJohan Persson, Johan Berg, Magnus Rosén
Estimating the term…
The present invention relates to a safety arrangement for a floor surfacing machine (1) comprising at least one drive wheel (3, 4), a motor arrangement (5, 6) for propelling said drive wheel (3, 4), a surfacing apparatus (13) and a control unit (10, 11a) for controlling the operation of said motor arrangement (5, 6) and said surfacing apparatus (13). The arrangement comprises at least one detecting unit (55; 56, 57) connected to said control unit (10,11a) and adapted for determining a torque required for operating each drive wheel (3, 4) wherein said control unit (10,11a) is configured for preventing operation of said surfacing apparatus (13) if said required torque is lower than a predetermined limit value. The invention also relates to a method for obtaining safety in a floor surfacing machine (1).
A safety arrangement for a floor surfacing machine comprising at least one drive wheel, a motor arrangement for propelling said drive wheel, a surfacing apparatus and a control unit for controlling the operation of said motor arrangement and said surfacing apparatus, wherein the arrangement comprises at least one detecting unit connected to said control unit and adapted for determining a torque required for operating each drive wheel and wherein said control unit is configured for preventing operation of said surfacing apparatus if said required torque is lower than a predetermined limit value.
A method for obtaining safety in a floor surfacing machine having at least one drive wheel, a motor arrangement for propelling said drive wheel, and a surfacing apparatus, said method comprising:
Dependencies are inferred from the claim text.