US 11,926,046 B2
Tunable static balancer in particular for devices with compliant mechanism
Asthor Tryggvi Steinthorsson, Reykjavik (IS)
Assigned to REON EHF., Reykjavik (IS)
Appl. No. 16/764,508
Filed by REON EHF., Reykjavik (IS)
PCT Filed Nov. 19, 2018, PCT No. PCT/IS2018/050012
§ 371(c)(1), (2) Date May 15, 2020,
PCT Pub. No. WO2019/097552, PCT Pub. Date May 23, 2019.
Claims priority of application No. 050195 (IS), filed on Nov. 17, 2017.
Prior Publication US 2020/0353632 A1, Nov. 12, 2020
Int. Cl. B25J 19/06 (2006.01); A61B 17/29 (2006.01); B25J 15/00 (2006.01); F16F 3/02 (2006.01)
CPC B25J 19/068 (2013.01) [A61B 17/29 (2013.01); B25J 15/0028 (2013.01); F16F 3/02 (2013.01); A61B 2017/2902 (2013.01); A61B 2017/2917 (2013.01); A61B 2017/2937 (2013.01); F16F 2228/066 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A tunable static balancer arrangement on a mechanic device, for adjustably compensating a positive force needed to actuate a moveable part of the device from a first position to a second position, comprising:
a moveable actuation member for transferring movement from an input to said moveable part, said actuation member being moveable in a general axial direction of the actuation member,
at least one pair of oppositely arranged first stiffness elements that exert in at least one position a negative force in the axial direction counteracting at least partially said positive force when the moveable part is moved from the first position to the second position,
at least one pair of oppositely arranged adjustable second stiffness elements, wherein proximal ends of said first stiffness elements are connected to said moveable actuation member which is connected to the moveable part, and opposite distal ends of the first stiffness elements connect to at least one of said pair of adjustable second stiffness elements, such that the first stiffness element exerts a positive force on the adjustable second stiffness element,
such that when stiffness of said adjustable second stiffness element is adjusted, the negative force of said first stiffness element in the axial direction is altered.