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Questions and Answers
What characterizes a voluntary-opening mechanism?
What characterizes a voluntary-opening mechanism?
- It requires constant power to remain open.
- It is typically heavier and less durable.
- It is held closed by a spring until a control cable is pulled. (correct)
- It is designed for rapid opening and closing under load.
Which of the following statements is true regarding voluntary-closing devices?
Which of the following statements is true regarding voluntary-closing devices?
- They are lighter and more durable than voluntary-opening mechanisms.
- They typically utilize a spring mechanism to close.
- They operate in a converse manner compared to voluntary-opening mechanisms. (correct)
- They operate by maintaining an open position without additional force.
What is a disadvantage of voluntary-closing mechanisms?
What is a disadvantage of voluntary-closing mechanisms?
- They can be opened with excess force.
- They usually have more fragile components.
- They are generally heavier and less durable. (correct)
- They are less efficient in grasping objects.
Which aspect distinguishes voluntary-opening mechanisms from voluntary-closing mechanisms?
Which aspect distinguishes voluntary-opening mechanisms from voluntary-closing mechanisms?
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In terms of design and function, how do voluntary-opening mechanisms compare to voluntary-closing mechanisms?
In terms of design and function, how do voluntary-opening mechanisms compare to voluntary-closing mechanisms?
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Study Notes
Active or Prehensors
- Active grasp mechanisms can exhibit two distinct operational types based on how they function: voluntary-opening and voluntary-closing.
Voluntary-Opening
- Typically remains in a closed position at rest due to a spring or rubber band mechanism.
- Activation occurs when a control cable is pulled, resulting in the device opening.
Voluntary-Closing
- Functions oppositely, operating by closing when activated.
- Generally heavier and less durable compared to voluntary-opening mechanisms.
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Description
Explore the differences between active grasp mechanisms, focusing on their operational types: voluntary-opening and voluntary-closing. Understand how each mechanism functions, including the materials and durability associated with them.
