US 11,890,207 B2
Release mechanism
James Sykes, Leeds (GB)
Assigned to Hugh Steeper Limited, Leeds (GB)
Filed by Hugh Steeper Limited, Leeds (GB)
Filed on Mar. 10, 2022, as Appl. No. 17/691,795.
Claims priority of application No. 2103285 (GB), filed on Mar. 10, 2021.
Prior Publication US 2022/0287855 A1, Sep. 15, 2022
Int. Cl. A61F 2/58 (2006.01); A61F 2/68 (2006.01); A61F 2/70 (2006.01)
CPC A61F 2/68 (2013.01) [A61F 2/586 (2013.01); A61F 2002/6836 (2013.01); A61F 2002/6854 (2013.01); A61F 2002/701 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A release mechanism for use in a prosthetic hand, the release mechanism comprising:
a retainer; and
a release pin held within the retainer so as to be moveable between an engagement position and a release position, wherein the release pin comprises:
a first part comprising a first longitudinal body;
a second part comprising a second longitudinal body, wherein the first part is connected to the second part such that the first longitudinal body and the second longitudinal body form an elongated body having a uniform diameter; and
a disc head positioned at each end of the first part and the second part, wherein the disc head is configured to engage a recess of a gear,
wherein the retainer being provided with portions which engage the release pin to restrain the release pin to movement between the engagement position and the release position, in which the portions comprise rolling-element bearings which are free to rotate to facilitate movement of the release pin between the engagement position and the release position.