Coordinated articulation of wheelchair members
First Claim
1. A wheelchair having a primary articulated member and at least one secondary articulated member, a primary sensor for detecting the position of the primary member, a secondary sensor for detecting the position of the secondary member, and a controller capable of articulating the secondary articulated member as a function of the movement of the primary articulated member.
8 Assignments
0 Petitions
Accused Products
Abstract
A wheelchair has a primary articulated member and at least one secondary articulated member, a primary sensor for detecting the position of the primary member, a secondary sensor for detecting the position of the secondary member, and a controller capable of articulating the secondary articulated member as a function of the movement of the primary articulated member.
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Citations
21 Claims
- 1. A wheelchair having a primary articulated member and at least one secondary articulated member, a primary sensor for detecting the position of the primary member, a secondary sensor for detecting the position of the secondary member, and a controller capable of articulating the secondary articulated member as a function of the movement of the primary articulated member.
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6. A wheelchair comprising:
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a first articulated member that is mounted for articulation within a first range of first member positions, the first articulated member having a first actuator for moving the first articulated member within the first range;
a second articulated member that is mounted for articulation within a second range of second member positions, the second articulated member having a second actuator for moving the second articulated member within the second range;
a controller connected to the first and second actuators for articulating the first and second articulated members, respectively, in a coordinated fashion, the controller being programmed with a sequence of setpoints of ordered pairs of numbers, one of the numbers of the ordered pairs being indicative of the position of the first articulated member along the first range, and the other of the numbers of the ordered pairs being indicative of the position of the second articulated member along the second range; and
an input device associated with the controller to provide input from a wheelchair user to the controller;
wherein the controller is programmed to provide signals, in response to signals from the input device, to the first and second actuators, with the signals directing articulation of the first and second members along the setpoints. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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14. A wheelchair comprising:
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a first articulated member that is mounted for articulation within a first range of first member positions, the first articulated member having a first actuator for moving the first articulated member within the first range;
a second articulated member that is mounted for articulation within a second range of second member positions, the second articulated member having a second actuator for moving the second articulated member within the second range;
a controller connected to the first and second actuators for articulating the first and second articulated members, respectively, in a coordinated fashion, the controller being programmed with a first equation that controls the movement of the first articulated member along the first range as a function of time, and the controller being programmed with a second equation that controls the movement of the second articulated member along the second range as a function of time; and
an input device associated with the controller to provide input from a wheelchair user to the controller;
wherein the controller is programmed to provide signals, in response to signals from the input device, to the first and second actuators, with the signals directing articulation of the first and second members along the first and second ranges, respectively, and according to the first and second equations, respectively. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification