Floor surfacing machine

• US 10,729,300 B2
• Filed: 06/01/2015
• Issued: 08/04/2020
• Est. Priority Date: 09/25/2014
• Status: Active Grant

• Current Assignee: Husqvarna AB (HUSQVARNA)
• Original Assignee: Husqvarna AB (HUSQVARNA)
• Inventors: Berg, Johan, Rosen, Magnus, Freidlitz, Lars, Madbro, Par, Leff-Hallstein, Joakim
• Primary Examiner(s): Morgan, Eileen P
• Application Number:
  US15/513,001
• Publication Number:
  US 20170238779A1
• Time in Patent Office: 1,891 Days
• Field of Search: 451353
• CPC Class Codes: A47L 11/14 with rotating tools
• CPC Class Codes: A47L 11/40 Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
• CPC Class Codes: A47L 11/4008 Arrangements of switches, indicators or the like
• CPC Class Codes: A47L 11/4011 Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
• CPC Class Codes: A47L 11/4038 Disk shaped surface treating tools
• CPC Class Codes: A47L 11/4061 Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
• CPC Class Codes: A47L 11/4066 Propulsion of the whole machine
• CPC Class Codes: A47L 11/4069 Driving or transmission means for the cleaning tools
• CPC Class Codes: A47L 11/4072 Arrangement of castors or wheels
• CPC Class Codes: A47L 11/4075 Handles; levers
• CPC Class Codes: B24B 23/005 Auxiliary devices used in connection with portable grinding machines, e.g. holders
• CPC Class Codes: B24B 23/03 the tool being driven in a combined movement
• CPC Class Codes: B24B 23/04 with oscillating grinding tools; Accessories therefor
• CPC Class Codes: B24B 7/18 for grinding floorings, walls, ceilings or the like machines or devices for cleaning floorings A47L11/00, A47L13/00
• CPC Class Codes: B24B 7/186 with disc-type tools

Abstract

The present invention relates to a floor surfacing machine (1) comprising a frame (2) that is carried by a first wheel (3) and a second wheel (4). The floor surfacing machine (1) further comprises a first motor (6), a handle arrangement (7), at least one planetary head (15) that is rotatably mounted to the frame (2) and at least one satellite surfacing head (19, 20, 21) that is rotatably mounted to the planetary head (15), where the first motor (6) is arranged to propel the planetary head (15). The floor surfacing machine (1) comprises a first control unit (10), and a remote control panel (11) which in turn comprises a second control unit (12) that is arranged to communicate with the first control unit (10). The floor surfacing machine (1) also comprises a second motor (22) that is arranged to propel the satellite surfacing heads (19, 20, 21) such that the planetary head (15) and the satellite surfacing heads (19, 20, 21) are independently operable.

Claims

1. A floor surfacing machine comprising:

a frame carried by a first wheel and a second wheel, the first wheel configured to be driven by a first wheel drive motor and the second wheel configured to be driven by a second wheel drive motor;

a first motor and a second motor carried by the frame;

a handle arrangement carried by the frame;

a planetary head rotatably mounted to the frame and configured to be driven by the first motor;

at least one satellite surfacing head rotatably mounted to the planetary head and configured to be driven by the second motor and treat a floor surface;

a first control unit coupled to a portion of the floor surfacing machine and configured to enable independent operation of each of the planetary head, the at least one satellite surfacing head, the first wheel, and the second wheel; and

a remote control panel configured to enable an operator to independently operate each of the planetary head, the at least one satellite surfacing head, the first wheel, and the second wheel remotely, the remote control panel comprising a second control unit configured to communicate with the first control unit to enable remote, independent control of each of the planetary head, the at least one satellite surfacing head, the first wheel, and the second wheel.

2. A floor surfacing machine according to claim 1, wherein the first control unit is disposed on the handle arrangement.

3. A floor surfacing machine according to claim 1, wherein the second motor is configured to drive the at least one satellite surfacing head via a power-transmitting endless belt.

4. A floor surfacing machine according to claim 1, wherein the first motor is configured to drive the planetary head via at least one cog-wheel configured to engage a driving chain arrangement, the driving chain arrangement being attached to the planetary head.

5. A floor surfacing machine according to claim 1, wherein the planetary head is arranged to be laterally displaced between a leftmost position and a rightmost position in an oscillating manner.

6. A floor surfacing machine according to claim 1, wherein the frame comprises a motor mounting plate onto which the second motor is mounted.

7. A floor surfacing machine according to claim 1, wherein the second motor is connected to a first motor axis extending through a top plate and a bottom plate of the planetary head, the first motor axis being connected to a first belt pulley of the planetary head, wherein in response to the second motor driving the first belt pulley via the first motor axis, the first belt pulley is arranged to drive a power-transmitting endless belt disposed around a portion of an exterior surface of the at least one satellite surfacing head thereby rotating the at least one satellite surfacing head.

8. A floor surfacing machine according to claim 7, wherein the planetary head further comprises a second belt pulley, wherein the second belt pulley is rotatably connected to the bottom plate of the planetary head and is arranged to guide the power-transmitting endless belt around the portion of the exterior surface of the at least one satellite surfacing head.

9. A floor surfacing machine according to claim 8, wherein the planetary head further comprises a tensioning device, wherein the tensioning device is configured to tension the second belt pulley against the power-transmitting endless belt with a predefined force.

10. A floor surfacing machine according to claim 1, wherein the planetary head comprises a driving chain arrangement arranged around a circumference of an exterior rim of the planetary head.

11. A floor surfacing machine according to claim 10, wherein the first motor is connected to a gear-box of the floor surfacing machine, the gear-box comprising a second motor axis, wherein a first cog-wheel and a second cog-wheel are attached to the second motor axis, wherein in response to the first motor driving the first and second cog-wheel via the second motor axis, the first and second cog-wheel are configured to engage the driving chain arrangement thereby rotating the planetary head.

12. A floor surfacing machine according to claim 1, wherein the floor surfacing machine is a floor grinding machine or a floor polishing machine.