US 12,281,681 B2
Latch activation between members
Christopher James Allington, Leeston (NZ); Andrew Karl Diehl, Wellington (NZ); Kevin A. Wright, Wellington (NZ); Weston Hill, Wellington (NZ); and Dave Walters, Wellington (NZ)
Assigned to SureWerx USA, Inc., Elgin, IL (US)
Filed by SureWerx USA, Inc., Elgin, IL (US)
Filed on Sep. 2, 2022, as Appl. No. 17/902,656.
Application 17/902,656 is a continuation of application No. 17/230,748, filed on Apr. 14, 2021, granted, now 11,499,596.
Application 17/230,748 is a continuation of application No. 16/998,675, filed on Aug. 20, 2020, granted, now 11,009,089, issued on May 18, 2021.
Application 16/998,675 is a continuation of application No. 15/532,468, granted, now 10,774,887, issued on Sep. 15, 2020, previously published as PCT/NZ2015/050205, filed on Dec. 4, 2015.
Claims priority of application No. 701545 (NZ), filed on Dec. 4, 2014.
Prior Publication US 2023/0019168 A1, Jan. 19, 2023
Int. Cl. F16D 59/00 (2006.01); A62B 1/06 (2006.01); A62B 1/08 (2006.01); A62B 35/00 (2006.01); F16D 43/14 (2006.01); F16D 63/00 (2006.01); H02K 49/04 (2006.01); H02K 49/10 (2006.01); F16D 23/12 (2006.01); F16D 125/36 (2012.01); F16D 127/00 (2012.01); F16D 129/06 (2012.01)
CPC F16D 59/00 (2013.01) [A62B 1/06 (2013.01); A62B 1/08 (2013.01); A62B 35/0093 (2013.01); F16D 43/14 (2013.01); F16D 63/002 (2013.01); F16D 63/006 (2013.01); H02K 49/04 (2013.01); H02K 49/106 (2013.01); F16D 2023/123 (2013.01); F16D 2043/145 (2013.01); F16D 2125/36 (2013.01); F16D 2127/002 (2013.01); F16D 2129/065 (2013.01); Y02B 10/30 (2013.01); Y02E 10/72 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An eddy current brake configuration comprising:
a cylinder; and
a tube, the tube configured to move rotationally relative to the cylinder and axially as a stroke into the cylinder, the tube and cylinder comprising at least one magnet and at least one conductor that interact when the tube enters the cylinder at different rates of relative rotational movement to impose an eddy current braking force against relative movement between the tube and cylinder;
wherein the eddy current brake configuration is further configured to have a bi-stable attractive force arrangement wherein tube stroke movement comprises:
a first magnetic attraction force between the tube and an external element acts to delay relative motion of the tube relative to the cylinder; and
when the first magnetic attraction force is overcome, the tube is free to travel axially into the cylinder; and
a second magnetic attraction force between the tube and a cylinder end acts to latch the tube in the cylinder.