Chuck device

A chuck device for chucking an external item, comprising:

• a base member,
• at least a first claw member moveable on said base member in a first direction between a first position wherein said claw member engages said external item and a second position wherein said claw member does not engage said external item,
• an rotatable input member provided in said base member and configured to apply a rotational drive force,
• a worm gear mechanism coupled to said input member and configured to decelerate said rotational drive force,
• a screw shaft member provided in said base member and moveable in a second direction substantially perpendicular to said first direction to apply an axial drive force,
• a second gear mechanism provided in said base member and coupled to said worm gear mechanism and said screw shaft member, wherein the second gear mechanism is further configured to receive the decelerated rotational drive force from said worm gear mechanism and propel the screw shaft member in said second direction, and
• a conversion mechanism coupled to said screw shaft member and said first claw member, wherein the conversion mechanism is further configured to receive said axial drive force and propel said first claw member in said first direction.

A chuck device, comprising:

• a first base member;
• a second base member on said first base member;
• first means in said first base member for receiving and increasing a rotational force;
• second means in said first base member for receiving said rotational force from said first means and for increasing said rotational force into an increased rotational force;
• said second means for receiving including means for redirecting said increased rotational force perpendicular to said first means for receiving and increasing;
• means for converting said increased rotational force from said second means into an increased axial force perpendicular to said first and said second means;
• said means for converting being operable between said first and said second base member, whereby said rotational force is transferred through said first base member to said second base member and converted into an increased axial force operable relative to said second base member;
• means for chucking an external item in said second base member, said means for chucking receiving said increased axial force and securely chucking said external item to said second base member, whereby said external item is easily secured with a holding force magnified from said rotational force;
• at least a first conversion member in said means for converting;
• said second means for receiving including means for driving said first conversion member away from said first means for receiving and increasing;
• at least a first sloped engagement groove on said first conversion member;
• at least a first claw member in said means for chucking;
• at least a first engagement section on said first claw member;
• said first sloped engagement groove being sloped relative to a first direction of motion of said first claw member relative to said second base member;
• said means for chucking including means for operating said at least first claw member axially along an axial direction of said second base member;
• said first sloped engagement groove engaging said first engagement section being effective to retain said first engagement section and to drive said first engagement section in said first direction of motion and fix said external item to said second base member, whereby said external item is secured to said chuck device;
• at least a first worm gear in said first means for receiving and increasing;
• at least a worm wheel in said second means for receiving and for further increasing said rotational force operable about a first diameter;
• said first worm gear having a first rotational axis and a second diameter;
• said second diameter greater than said first diameter;
• said worm wheel having a second rotation axis;
• said first rotational axis being perpendicular to said second rotational axis;
• and
• said first worm gear threadably engaging said worm wheel and being effective to magnifying said rotational force.