Floor cleaning and polishing machine
First Claim
1. Apparatus for mechanically varying the speed of a disk driven rotationally about an axis by a power source, comprising:
- (a) means for supporting the disk relative to the axis, said supporting means being rotatably disposed about the axis;
(b) means for imparting rotational motion to said supporting means directly from the power source and at a fixed speed;
(c) a variant speed element mounted for rotation about the axis and geared from the power source to a different speed;
(d) means for selectively keying said supporting means to one of said direct rotational motion imparting means and said variant speed element.
3 Assignments
0 Petitions
Accused Products
Abstract
The subject to this patent application is apparatus for mechanically varying the speed of a disk, such as a floor treating pad (18), mounted for rotation about the axis of elongation (20) of a shaft (38) powered by a fixed speed motor. The pad (18) is supported by a hub (40) disposed axially intermediate a flange member (74) fixedly attached to the shaft (38) and a sheave (66) disposed for rotation about the shaft (38), but at a speed different than that of the shaft (38). The invention includes means for keying the hub (40) to either the flange member (74) or the sheave (66), depending upon the desired speed of operation of the floor treating machine (10) of which the pad (18) is a part.
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Citations
15 Claims
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1. Apparatus for mechanically varying the speed of a disk driven rotationally about an axis by a power source, comprising:
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(a) means for supporting the disk relative to the axis, said supporting means being rotatably disposed about the axis; (b) means for imparting rotational motion to said supporting means directly from the power source and at a fixed speed; (c) a variant speed element mounted for rotation about the axis and geared from the power source to a different speed; (d) means for selectively keying said supporting means to one of said direct rotational motion imparting means and said variant speed element. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A two-speed floor treating machine, comprising:
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(a) a housing disposed for movement over a floor surface; (b) a shaft, having a generally vertically extending axis of elongation, extending below said housing; (c) fixed speed power means for imparting rotational movement to said shaft about said axis; (d) means for supporting a floor treating pad for rotation about said axis; (e) a varient speed element mounted for rotation about said axis and at a speed different than that of said power means; (f) means for gearing said shaft to said variant speed element; and (g) means for selectively keying said supporting means to one of said shaft and said variant speed element. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification