US 12,291,407 B2
Modular stack mover
Matthew Rodolfo Molina, San Francisco, CA (US); Cuthbert Sun, San Francisco, CA (US); Robert Holmberg, Mountain View, CA (US); and Jason Kmec, Vacaville, CA (US)
Assigned to Dexterity, Inc., Redwood City, CA (US)
Filed by Dexterity, Inc., Redwood City, CA (US)
Filed on Oct. 11, 2022, as Appl. No. 17/963,761.
Claims priority of provisional application 63/254,912, filed on Oct. 12, 2021.
Prior Publication US 2023/0115863 A1, Apr. 13, 2023
Int. Cl. B65G 35/06 (2006.01); B65G 19/02 (2006.01); B65G 19/20 (2006.01); B65G 43/10 (2006.01); B65G 47/68 (2006.01); B65G 47/90 (2006.01); B65G 61/00 (2006.01)
CPC B65G 47/905 (2013.01) [B65G 19/02 (2013.01); B65G 19/205 (2013.01); B65G 35/06 (2013.01); B65G 43/10 (2013.01); B65G 47/684 (2013.01); B65G 61/00 (2013.01); B65G 2811/0673 (2013.01)] 39 Claims
OG exemplary drawing
 
1. A modular stack mover system, comprising:
a first stack mover system configured to cause a vehicle to traverse a first path; and
a second stack mover system configured to cause the vehicle to traverse a second path;
wherein:
the first stack mover system moves the vehicle along the first path from a source location to a first end location;
the vehicle is retrieved from the first end location and the second mover system moves the vehicle along the second path to a destination location;
the first mover system comprises one or more first pusher units configured to engage the vehicle and apply a linear force to the vehicle when the first pusher units are driven by the first mover system;
the second mover system comprises one or more second pusher units configured to engage the vehicle and apply a linear force to the vehicle when the second pusher units are driven by the second mover system;
a first pusher unit of the one or more first pusher units engage the vehicle from a first side of a rear of the vehicle; and
the second one or more pusher units engage the vehicle from a second side of the rear of the vehicle that is opposite the first side.