US2014090506A1PendingUtilityA1

Modular hybrid snake arm

46
Individually held — no corporate assignee on recordPriority: Jun 6, 2007Filed: Mar 11, 2013Published: Apr 3, 2014
Est. expiryJun 6, 2027(~0.8 yrs left)· nominal 20-yr term from priority
Inventors:Wayland E. Tobey
Y10T74/20323Y10T74/20311B25J 18/06B25J 19/0029B25J 13/084B25J 5/007Y10T74/20305
46
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Claims

Abstract

An intelligent modular hybrid robot arm system is usable with mobile robots, and is applicable to stationary industrial arms. The intelligent modular hybrid robot arm system provides a large work envelope and a controlled and directed rotational movement for a flexible snake robot arm. The intelligent modular hybrid robot arm system has the ability to change end effector tools and sensors. The platform computers have the ability to interact with other subsystems for coordinated as well as independent tasks. The flexibly snake robot arm can be covered with a flexible sensor network, or “skin”. The intelligent modular hybrid robot arm system can manage its energy use, stores the arm in a compact shape and uses a central support tube offering unobstructed arm access to all sectors of its working envelope.

Claims

exact text as granted — not AI-modified
1 . A robotic arm assembly adapted for use with a robot chassis, comprising:
 an arm platform rotatably connectable to a robot chassis;   at least one robotic snake arm attached to the arm platform;   a rotary drive capable of applying force between the arm platform and the robot chassis to rotate the robotic arm assembly relative to the robot chassis; and   a circumferential storage space on the arm platform wherein the at least one robotic snake arm is capable of coiling around the circumference of the arm platform for storage in the circumferential storage space.   
     
     
         2 . The robotic arm assembly of  claim 1 , further comprising a slip ring electrical connection locatable between the arm platform and the robot chassis. 
     
     
         3 . The robotic arm assembly of  claim 1 , wherein the at least one robotic snake arm comprises a plurality of robotic snake arms. 
     
     
         4 . The robotic arm assembly of  claim 1 , further comprising at least one sensor attached to the robotic arm assembly. 
     
     
         5 . The robotic arm assembly of  claim 1 , wherein at least one of the at least one robotic snake arm comprises at least one replaceable end effector. 
     
     
         6 . The robotic arm assembly adapted for use with a robot chassis of  claim 1  wherein the at least one robotic snake arm comprises a plurality of ribs actuated by one or more cables. 
     
     
         7 . A robot, comprising:
 an robot chassis with a vertical support member; and at least one rotatable arm platform mounted on the vertical support member, comprising:   an arm platform rotatably connected to the vertical support member; and   at least one robotic snake arm attached to the arm platform; and   
       a rotary drive capable of applying force between the arm platform and the robot chassis to rotate the robotic arm assembly about the vertical support member; and
 a circumferential storage space on the arm platform wherein the at least one robotic snake arm is capable of coiling around the circumference of the arm platform for storage in the circumferential storage space. 
 
     
     
         8 . The robot of  claim 7 , wherein the robotic arm assembly further comprises a slip ring electrical connection between the rotatably-connected arm platform and the chassis. 
     
     
         9 . The robot of  claim 7 , wherein the at least one robotic snake arm comprises a plurality of robotic snake arms. 
     
     
         10 . The robot of  claim 7 , further comprising at least one sensor attached to the robotic arm assembly. 
     
     
         11 . The robot of  claim 7 , further comprising at least one replaceable end effector attachable to an effector end of at least one of the at least one robotic snake arm. 
     
     
         12 . The robot of  claim 7  wherein the at least one robotic snake arm comprises a plurality of ribs actuated by one or more cables. 
     
     
         13 . The robot of  claim 7  further comprising a plurality of rotatable robotic snake arm assemblies mounted on the vertical support member. 
     
     
         14 . A modular robot, comprising:
 an robot chassis adapted to accept at least one modular robotic assembly rotatably connectable to the robot chassis;   at least one modular robotic assembly connected to the robot chassis and rotatable about a rotational axis;   at least one robotic snake arm attached to the at least one modular robotic assembly; and   a circumferential storage space on the modular robotic assembly wherein the at least one robotic snake arm is capable of coiling around the modular robotic assembly for storage in the circumferential storage space;   wherein the at least one snake arm is capable of making a variety of arm movements by rotating the modular robotic assembly and actuating the at least one robotic snake arm.   
     
     
         15 . The modular robot of  claim 14 , wherein each of the at least one rotatable modular robotic assembly further comprises a slip ring electrical connection between that modular robotic assembly and the robot chassis. 
     
     
         16 . The modular robot of  claim 14 , wherein the at least one robotic snake arm comprises a plurality of robotic snake arms. 
     
     
         17 . The modular robot of  claim 14 , further comprising at least one replaceable end effector attachable to an effector end of at least one of the at least one robotic snake arm. 
     
     
         18 . The modular robot of  claim 14  wherein the at least one robotic snake arm comprises a plurality of ribs actuated by one or more cables. 
     
     
         19 . The modular robot of  claim 14 , wherein the at least one robotic snake-arm is attached to the at least one robotic arm assembly tangentially to the rotational axis. 
     
     
         20 . The modular robot of  claim 14 , wherein the at least one modular robotic arm assembly further comprises actuators and controls for the at least one robotic arm attached to that modular robotic arm assembly. 
     
     
         21 . The modular robot of  claim 14 , wherein the at least one rotatable modular robotic assembly has continuous unobstructed 360 degree rotation relative to the robot chassis. 
     
     
         22 . The modular robot of  claim 14  wherein the variety of arm movements comprises circular movements, tangential movements, and swinging arc movements. 
     
     
         23 . The modular robot of  claim 14 , further comprising at least one sensor attached to the at least one modular robotic arm assembly. 
     
     
         24 . The modular robot of  claim 23 , further comprising a flexible sensor network, the flexible sensor network including a plurality of sensors. 
     
     
         25 . The modular robot of  claim 24  wherein the flexible sensor network further comprises a flexible covering. 
     
     
         26 . The modular robot of  claim 24  wherein the flexible covering further comprises embedded components, padding, or visual treatments.

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