US 12,244,201 B2
Industrial heavy load electric linear actuator
Yu-Chang Lin, New Taipei (TW)
Assigned to TIMOTION TECHNOLOGY CO., LTD., New Taipei (TW)
Filed by TIMOTION TECHNOLOGY CO., LTD., New Taipei (TW)
Filed on Mar. 19, 2024, as Appl. No. 18/609,220.
Application 18/609,220 is a continuation of application No. 17/577,864, filed on Jan. 18, 2022, granted, now 11,967,876.
Claims priority of application No. 110214592 (TW), filed on Dec. 7, 2021.
Prior Publication US 2024/0223058 A1, Jul. 4, 2024
Int. Cl. H02K 7/11 (2006.01); H02K 7/00 (2006.01); H02K 7/116 (2006.01); H02K 41/00 (2006.01); H02K 41/02 (2006.01)
CPC H02K 41/02 (2013.01) [H02K 7/003 (2013.01); H02K 7/116 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An industrial heavy load electric linear actuator, comprising:
a gearbox;
an electric motor, connected to the gearbox;
a lead screw, a portion thereof received inside the gearbox and driven by the electric motor, and another portion thereof extended to outside of the gearbox;
an extension pipe, movably fastened with the lead screw;
a load bearing structure, comprising a sleeve, a bearing, a fastening element, a fixation seat and a rear supporting seat, the sleeve mounted on the lead screw and holding the bearing jointly with the fastening element, and the fixation seat and the rear supporting seat holding the bearing and disposed on outer perimeters of the sleeve and the fastening element; and
at least one braking mechanism, the electric motor comprising a driving gear, and the braking mechanism arranged inside the gearbox and disposed on one lateral side of the driving gear;
wherein the fixation seat and the rear supporting seat are metal components to cover the sleeve, the bearing and the fastening element.