IP Library Granted Patent US 9,463,085
Granted Patent B1
US 9,463,085 · App. 13/771,458 · Granted Oct 11, 2016

Actuator with variable attachment connector

Inventor: Daniel Theobald (Sommerville, MA)
A61F2/08
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Quick Facts
Patent No.
US 9,463,085
App. No.
13/771,458
Granted
Oct 11, 2016
Kind
B1
Abstract

An apparatus for moving a member has at least one artificial muscle style activation element, and a primary movable connector secured to the at least one artificial muscle style activation element. The primary movable connector is configured to be movable from a first connected location on the member to a second connected location on the member.

Claims (25)

1. A system, comprising:

a first member;

a second member;

at least one artificial muscle style activation element configured to move the first member relative to the second member, wherein the activation element is configured as a hydraulic activation element; and

a primary movable connector secured to the at least one artificial muscle style activation element, the primary movable connector being movable along the first member between at least a first location and a second location, and the primary movable connector selectively, releasably securing the at least one artificial muscle style activation element to the first member at the first location during a first mode and at the second location during a second mode;

wherein the at least one artificial muscle style activation element is connected to the second member.

2. The apparatus as defined in claim 1 , wherein the first member or the second member is a robotic arm that is separate from the artificial muscle style activation element.

3. The system of claim 1 , wherein the first member is connected to the second member by a hinge joint.

4. The system of claim 1 , further comprising a second movable connector secured to the at least one artificial muscle style activation element, the second movable connector being configured to move along the second member between at least a first location and a second location, and the primary movable connector being configured to selectively, releasably secure the at least one artificial muscle style activation element to the second member at the first location during a first mode and at the second location during a second mode.

5. The system of claim 1 , wherein the at least one artificial muscle style activation element is fixedly connected to the second member.

6. The system of claim 1 , wherein the primary movable connector comprises a slide carriage configured to slide along the first member, and wherein the primary movable connector further comprises a device operable to prevent sliding movement of the slide carriage when the device is in a first configuration and operable to enable sliding movement of the slide carriage when the device is in a second configuration.

7. A hydraulic system, comprising:

a first member;

a second member configured with the first member;

a hydraulic artificial muscle style activation element configured to move the first member relative to the second member; and

a movable connector secured to a first end of the activation element;

wherein the movable connector moves between at least a first location on the first member and a second location on the first member;

wherein the movable connector selectively, releasably secures the activation element to the first member at the first location during a first mode and at the second location during a second mode; and

wherein a second end of the activation element is connected to the second member.

8. The apparatus of claim 7 , wherein the primary movable connector comprises a securing device configured to

secure the activation element to the member at the first connected location;

release the activation element from the member such that the primary movable connector is operable to be moved between the first and the second connected locations; and

secure the activation element to the member at the second connected location.

9. The apparatus of claim 8 , wherein the securing device comprises a biased fastener.

10. The apparatus of claim 8 , wherein the securing device is automatically actuated.

Assignments (7)
RELEASE OF SECURITY INTEREST Recorded May 7, 2025
From: TRIPLEPOINT CAPITAL LLC
To: VECNA ROBOTICS, INC.
Reel/Frame 071220/0483 →
SECURITY INTEREST Recorded May 20, 2024
From: VECNA ROBOTICS, INC.; VECNA ROBOTICS INTERCO LLC
To: STIFEL BANK
Reel/Frame 067472/0120 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 4, 2024
From: VECNA TECHNOLOGIES, INC.
To: VECNA ROBOTICS, INC.
Reel/Frame 067020/0397 →
RELEASE OF SECURITY INTEREST Recorded Dec 21, 2022
From: COMERICA BANK
To: VECNA ROBOTICS, INC.
Reel/Frame 062202/0036 →
SECURITY AGREEMENT Recorded Dec 19, 2022
From: VECNA ROBOTICS, INC.
To: TRIPLEPOINT CAPITAL LLC, AS COLLATERAL AGENT
Reel/Frame 062156/0617 →
SECURITY INTEREST Recorded Aug 7, 2020
From: VECNA ROBOTICS, INC.
To: COMERICA BANK
Reel/Frame 053427/0953 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 5, 2018
From: THEOBALD, DANIEL
To: VECNA TECHNOLOGIES, INC.
Reel/Frame 047015/0045 →