IP Library Granted Patent US 10,908,601
Granted Patent B2
US 10,908,601 · App. 16/380,892 · Granted Feb 2, 2021

Robotic cart configured for effective navigation and multi-orientation docking

Inventors: Eric Diehr (San Jose, CA); Brian Cairl (Astoria, NY); Sarah Elliott (Mountain View, CA); Levon Avagyan (San Jose, CA); Rohan Bhargava (San Jose, CA); Russell Toris (San Jose, CA); John W. Stewart, III (San Francisco, CA); Derek King (San Jose, CA); Melonee Wise (San Jose, CA); Niharika Arora (San Jose, CA)
Assignee: Fetch Robotics, Inc.
G05B19/41895B65G1/02B65G1/0492B65G1/1375B66F9/063G06Q10/08G06Q10/087Y10S901/01
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Quick Facts
Patent No.
US 10,908,601
App. No.
16/380,892
Granted
Feb 2, 2021
Kind
B2
Abstract

A system includes: a cart including: four legs; at least one shelf, each shelf attached to each of the legs; the cart having a generally rectangular shape, a width of the cart being longer than a length of the robot, a length of the cart being longer than a length of the robot; four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and a robot comprising: a sensor; and a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart.

Claims (70)

1. A system comprising:

a cart comprising:

four legs;

at least one shelf, each shelf attached to each of the legs;

the cart having a generally rectangular shape, a width of the cart being longer than a length of a robot, a length of the cart being longer than a length of the robot;

four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and

a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and

a robot comprising:

a sensor; and

a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart, at least one leg of the cart further comprising a band.

2. A system comprising:

a cart comprising:

four legs;

at least one shelf, each shelf attached to each of the legs;

the cart having a generally rectangular shape, a width of the cart being longer than a length of a robot, a length of the cart being longer than a length of the robot;

four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and

a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and

a robot comprising:

a sensor; and

a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart, wherein a distinguishing band on the cart leg allows a user to designate a preferred orientation for the robot to attach to or drop off the cart.

3. A system comprising:

a cart comprising:

four legs;

at least one shelf, each shelf attached to each of the legs;

the cart having a generally rectangular shape, a width of the cart being longer than a length of a robot, a length of the cart being longer than a length of the robot;

four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and

a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and

a robot comprising:

a sensor; and

a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart, at least one leg of the cart further comprising a band, wherein the band is configured to distinguish the leg from at least one of the other legs.

4. A system comprising:

a cart comprising:

four legs;

at least one shelf, each shelf attached to each of the legs;

the cart having a generally rectangular shape, a width of the cart being longer than a length of a robot, a length of the cart being longer than a length of the robot;

four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and

a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and

a robot comprising:

a sensor; and

a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart, at least one leg of the cart further comprising a band, wherein the band is configured to distinguish the leg from at least one of the other legs, wherein the band has a different property from at least one other band.

5. A system comprising:

a cart comprising:

four legs;

at least one shelf, each shelf attached to each of the legs;

the cart having a generally rectangular shape, a width of the cart being longer than a length of a robot, a length of the cart being longer than a length of the robot;

four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and

a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and

a robot comprising:

a sensor; and

a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart, at least one leg of the cart further comprising a band, wherein the band is configured to distinguish the leg from at least one of the other legs, wherein the band has a different property from at least one other band, wherein the different property comprises a different band signal.

6. A system comprising:

a cart comprising:

four legs;

at least one shelf, each shelf attached to each of the legs;

the cart having a generally rectangular shape, a width of the cart being longer than a length of a robot, a length of the cart being longer than a length of the robot;

four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and

a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and

a robot comprising:

a sensor; and

a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart, at least one leg of the cart further comprising a band, wherein the band is configured to distinguish the leg from at least one of the other legs, wherein the band has a different property from at least one other band, wherein the different property comprises a different band signal, wherein the different band signal comprises a different infrared (IR) signal.

7. A system comprising:

a cart comprising:

four legs;

at least one shelf, each shelf attached to each of the legs;

the cart having a generally rectangular shape, a width of the cart being longer than a length of a robot, a length of the cart being longer than a length of the robot;

four wheels, each wheel attached to a different leg at a bottom of the leg, the wheels configured to roll to facilitate movement of the cart; and

a robotic dock, the robotic dock comprising four docking receptacles at ninety degree angles from adjacent docking receptacles; and

a robot comprising:

a sensor; and

a docking module, the docking module comprising retractable docking pins, each retractable docking pin configured, when extended upward, to mate with a corresponding docking receptacle, thereby securing the robot to a bottom shelf of the cart, at least one leg of the cart further comprising a band, wherein the band is configured to distinguish the leg from at least one of the other legs, wherein the band has a different property from at least one other band, wherein the different property comprises a different band signal, wherein the different band signal comprises a different infrared (IR) signal, wherein the IR signal is detected by the robotic sensor, wherein the band is usable to detect an orientation of the cart.

Assignments (6)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 17, 2026
From: ZEBRA TECHNOLOGIES CORPORATION
To: SKILD-FETCH LLC
Reel/Frame 075403/0946 →
MERGER Recorded Oct 21, 2022
From: FETCH ROBOTICS, INC.
To: ZEBRA TECHNOLOGIES CORPORATION
Reel/Frame 061737/0712 →
SECURITY INTEREST Recorded Sep 22, 2021
From: FETCH ROBOTICS, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 057565/0329 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 26, 2019
From: DIEHR, ERIC; ELLIOTT, SARAH; AVAGYAN, LEVON; TORIS, RUSSELL; KING, DEREK; WISE, MELONEE; ARORA, NIHARIKA
To: FETCH ROBOTICS, INC.
Reel/Frame 050173/0094 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 23, 2019
From: CAIRL, BRIAN
To: FETCH ROBOTICS, INC.
Reel/Frame 050158/0617 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 23, 2019
From: BHARGAVA, ROHAN; STEWART, JOHN W., III
To: FETCH ROBOTICS, INC.
Reel/Frame 050158/0649 →
Continuity (1)
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