US 12,421,092 B2
Scissor lift with electric actuator
Eko Prasetiawan, Oshkosh, WI (US); Louis Bafile, Oshkosh, WI (US); and Prabhu Shankar, Oshkosh, WI (US)
Assigned to OSHKOSH CORPORATION, Oshkosh, WI (US)
Filed by Oshkosh Corporation, Oshkosh, WI (US)
Filed on May 21, 2024, as Appl. No. 18/669,818.
Application 18/669,818 is a continuation of application No. 18/200,171, filed on May 22, 2023, granted, now 12,054,372.
Application 18/200,171 is a continuation of application No. 17/328,885, filed on May 24, 2021, granted, now 11,820,631.
Application 17/328,885 is a continuation in part of application No. 16/811,659, filed on Mar. 6, 2020, granted, now 11,148,922.
Application 17/328,885 is a continuation in part of application No. 16/811,196, filed on Mar. 6, 2020, granted, now 11,014,796.
Claims priority of provisional application 62/829,853, filed on Apr. 5, 2019.
Claims priority of provisional application 62/829,837, filed on Apr. 5, 2019.
Prior Publication US 2024/0300794 A1, Sep. 12, 2024
Int. Cl. B66F 17/00 (2006.01); B66F 11/04 (2006.01); F16H 25/20 (2006.01); F16H 25/22 (2006.01); F16H 25/24 (2006.01)
CPC B66F 17/006 (2013.01) [B66F 11/042 (2013.01); F16H 2025/2081 (2013.01); F16H 25/2204 (2013.01); F16H 25/2472 (2013.01)] 20 Claims
OG exemplary drawing
 
15. A scissor lift, comprising:
a base;
a platform configured to support a load;
a lift assembly having a first end coupled to the base and a second end coupled to the platform, the lift assembly including:
a first support member pivotally coupled to a second support member, wherein the first support member and the second support member are pivotally coupled to the base; and
a third support member pivotally coupled to a fourth support member, wherein the third support member and the fourth support member arranged above the first support member and the second support member; and
a linear actuator coupled to the lift assembly, the linear actuator including:
a push tube assembly including an outer tube and a push tube slidably received within a distal end of the outer tube, wherein the push tube includes a connection end coupled between the third support member and the fourth support member;
a gearbox;
an electric motor coupled to the gearbox; and
a connection portion extending between the gearbox and a proximal end of the outer tube, wherein the connection portion includes a trunnion rod that extends laterally outwardly from a side of the connection portion, and wherein the trunnion rod is coupled to the first support member.