US 11,912,545 B2
Wireless hoist system
Matthew Post, Milwaukee, WI (US); Gareth Mueckl, Milwaukee, WI (US); Matthew N. Thurin, Wauwatosa, WI (US); Joshua D. Widder, Racine, WI (US); Timothy J. Bartlett, Waukesha, WI (US); Patrick D. Gallagher, Oak Creek, WI (US); Jarrod P. Kotes, Grafton, WI (US); Karly M. Schober, Milwaukee, WI (US); Kenneth W. Wolf, Muskego, WI (US); Terry L. Timmons, Oconomowoc, WI (US); Mallory L. Marksteiner, Naperville, IL (US); Jonathan L. Lambert, Milwaukee, WI (US); Ryan A. Spiering, Milwaukee, WI (US); Jeremy R. Ebner, East Troy, WI (US); Benjamin A. Smith, Milwaukee, WI (US); James Wekwert, Wauwatosa, WI (US); Brandon L. Yahr, Slinger, WI (US); Troy C. Thorson, Cedarburg, WI (US); Connor P. Sprague, Milwaukee, WI (US); John E. Koller, Brookfield, WI (US); Evan M. Glanzer, Milwaukee, WI (US); John S. Scott, Brookfield, WI (US); William F. Chapman, III, Delavan, WI (US); and Timothy R. Obermann, Waukesha, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Appl. No. 17/051,643
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
PCT Filed Jun. 26, 2020, PCT No. PCT/US2020/039908
§ 371(c)(1), (2) Date Oct. 29, 2020,
PCT Pub. No. WO2020/264359, PCT Pub. Date Dec. 30, 2020.
Claims priority of provisional application 62/965,676, filed on Jan. 24, 2020.
Claims priority of provisional application 62/951,394, filed on Dec. 20, 2019.
Claims priority of provisional application 62/868,297, filed on Jun. 28, 2019.
Prior Publication US 2022/0185639 A1, Jun. 16, 2022
Int. Cl. B66D 3/00 (2006.01); B66D 3/26 (2006.01); B66C 13/40 (2006.01)
CPC B66D 3/26 (2013.01) [B66C 13/40 (2013.01); B66D 2700/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A wireless hoist system comprising:
a first hoist device including a first motor and a first wireless transceiver;
a second hoist device including a second motor and a second wireless transceiver, wherein the first hoist device and the second hoist device are configured to be coupled to a workpiece to raise or lower the workpiece; and
a controller configured to wirelessly communicate with the first wireless transceiver of the first hoist device and the second wireless transceiver of the second hoist device, the controller configured to:
receive user input,
determine a first operation parameter and a second operation parameter based on the user input, and
provide, wirelessly, a first control signal indicative of the first operation parameter to the first hoist device,
provide, wirelessly, a second control signal indicative of the second operation parameter to the second hoist device, and
receive a level input from a level sensor, the level sensor coupled to the workpiece and configured to indicate an angle of the level with respect to ground;
wherein the first hoist device is configured to operate based on the first control signal and the level input, and
wherein the second hoist device is configured to operate based on the second control signal and the level input.