# US 2021/0276848 A1 · Lift device with deployable operator station > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0276848 A1 - Document ID: US20210276848A1 - Status: Published application - Kind: A1 - Application number: 17/193,722 - Filed: 2021-03-05 - Published: 2021-09-09 - Earliest claimed: 2020-03-06 - Assignees: Oshkosh Corporation - Applicants: Oshkosh Corporation - Inventors: Wenton S. Miller; Matthew Gilbride; Shane Mastronardi; Eko Prasetiawan; Ignacy Puszkiewicz - Web page: https://patentgrep.com/patent/US20210276848A1 ## CPC - B66F 9/12: Platforms; Forks; Other load supporting or gripping members - B25J 5/007: {mounted on wheels} - B25J 9/1689: {Teleoperation} - B25J 11/005: {Manipulators for mechanical processing tasks} - B25J 15/0066: {with different types of end effectors, e.g. gripper and welding gun (B25J15/0057 and B25J15/0061 take precedence)} - B60L 1/003: {to auxiliary motors, e.g. for pumps, compressors} - B60L 50/66: {Arrangements of batteries} - B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles - B66F 9/07545: {Overhead guards} - B66F 9/07554: {Counterweights} - B66F 9/24: Electrical devices or systems - B66F 17/006: {for working platforms} - B60L 2200/40: Working vehicles - B66F 9/0655: {with a telescopic boom} - B66F 9/07581: {Remote controls} - B66F 9/0759: {Details of operating station, e.g. seats, levers, operator platforms, cabin suspension} - B66F 11/046: {of the telescoping type} - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - B66F: HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD ({invalid lifting devices A61G7/10; } mounting artificial islands on piles or like supports E02B17/00; scaffolding combined with lifting devices E04G1/22; lifting devices for sliding forms E04G11/24; lifting of buildings E04G23/06; shores or struts E04G25/00; lifts or other hoisting devices on ladders E06C7/12; props for mining E21D15/00) - B25J: MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES ({manipulators specially adapted for use in surgery A61B34/70; manipulators used in cleaning hollow articles B08B9/04}; manipulators associated with rolling mills B21B39/20; manipulators associated with forging machines B21J13/10; {manipulators associated with picking-up and placing mechanisms B23P19/007}; means for holding wheels or parts thereof B60B30/00; {vehicles with ground-engaging propulsion means, e.g. walking members B62D57/02, B62D57/032; devices for picking-up and depositing articles or materials between conveyors B65G47/90, B65G47/91; manipulators with gripping or holding means for transferring packages B65H67/065}; cranes B66C; {manipulators used in the protection or supervision of pipe-line installations F17D5/00; walking equipment adapted for nuclear steam-generators F22B37/006}; manipulators specially adapted for, or associated with, nuclear reactors G21C; {apparatus used for handling wafers during manufacture or treatment of semiconductor H10P72/50}) - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A lift device includes a lift apparatus and a base assembly. The lift apparatus is configured to raise and lower an implement assembly. The base assembly is configured to support the lift apparatus. The base assembly includes a deployable operator station transitionable between a deployed position and a stowed position. In the deployed position, the deployable operator station is configured to provide a seating and control arrangement for an operator. In the stowed position, the deployable operator station is substantially sealed from an external environment to limit access to the deployable operator station. ## Claims ### Claim 1 A lift device comprising: a lift apparatus configured to raise and lower an implement assembly; and a base assembly configured to support the lift apparatus, the base assembly comprising a deployable operator station transitionable between a deployed position and a stowed position; wherein in the deployed position, the deployable operator station is configured to provide a seating and control arrangement for an operator; wherein in the stowed position, the deployable operator station is substantially sealed from an external environment to limit access to the deployable operator station. ### Claim 2 (depends on 1) The lift device of claim 1, wherein the deployable operator station comprises a plurality of shell members, wherein the shell members are configured to interlock with each other when the deployable operator station is transitioned into the stowed position. ### Claim 3 (depends on 1) The lift device of claim 1, wherein the deployable operator station comprises: a first shell member pivotally coupled with the base assembly and configured to transition between a stowed orientation and a deployed orientation; a second shell member fixedly coupled with the base assembly; and a third shell member pivotally coupled with the base assembly and configured to transition between a stowed orientation and a deployed orientation. ### Claim 4 (depends on 3) The lift device of claim 3, wherein the deployable operator station comprises: a first frame assembly pivotally coupled with the base assembly at a first end, wherein the third shell member is fixedly coupled with the first frame assembly; a second frame assembly pivotally coupled with a second end of the first frame assembly; a seat pan pivotally coupled with the first frame assembly proximate the first end; and a pair of armrests each pivotally coupled with the first frame assembly proximate the first end. ### Claim 5 (depends on 4) The lift device of claim 4, wherein the deployable operator station is configured to transition from the stowed position to the deployed position by: the first shell member pivoting from the stowed orientation to the deployed orientation; the first frame assembly and the third shell member pivoting in unison from a stowed orientation to a deployed orientation; the second frame assembly pivoting relative to the first frame assembly to deploy; and the seat pan and the pair of armrests pivoting relative to the first frame assembly to deploy. ### Claim 6 (depends on 4) The lift device of claim 4, wherein the first frame assembly defines a rollover protective structure and the second frame assembly defines an overhead protective structure. ### Claim 7 (depends on 4) The lift device of claim 4, wherein the deployable operator station further comprises a linear electric actuator configured to automatically drive the first frame assembly to deploy. ### Claim 8 (depends on 4) The lift device of claim 4, wherein the deployable operator station further comprises a selective engagement mechanism, wherein the selective engagement mechanism is configured to limit relative rotation between the second frame assembly and the first frame assembly and allow relative rotation between the second frame assembly and the first frame assembly when a user presses a bar to selectively disengage the selective engagement mechanism. ### Claim 9 A deployable operator station for a lift device, the deployable operator station comprising: a rollover protective structure rotatably coupled at a first end with a support structure; and an overhead protective structure pivotally coupled with a second end of the rollover protective structure, the overhead protective structure pivotally coupled with the rollover protective structure through a selective engagement mechanism, the selective engagement mechanism configured to selectively limit rotation between the overhead protective structure and the rollover protective structure and receive a user input to disengage the selective engagement mechanism for rotating the overhead protective structure relative to the rollover protective structure; wherein the deployable operation station is transitionable between a deployed position and a stowed position. ### Claim 10 (depends on 9) The deployable operator station of claim 9, wherein in the deployed position, the deployable operator station is configured to provide a seating and control arrangement for an operator, and in the stowed position, the deployable operation station is substantially sealed from an external environment to limit access to the deployable operator station. ### Claim 11 (depends on 9) The deployable operator station of claim 9, wherein the rollover protective structure is configured to be driven to rotate to transition between a deployed orientation and a stowed orientation by a linear electric actuator. ### Claim 12 (depends on 9) The deployable operator station of claim 9, further comprising a plurality of shell members, wherein a first shell member of the plurality of shell members is pivotally coupled with the support structure, and a second shell member of the plurality of shell members is fixedly coupled with the rollover protective structure, wherein the plurality of shell members are configured to interlock with each other when the deployable operator station is transitioned into the stowed position. ### Claim 13 (depends on 9) The deployable operator station of claim 9, further comprising: a seat pan pivotally coupled with the rollover protective structure proximate the first end of the rollover protective structure; a seat back fixedly coupled with the rollover protective structure; and a pair of armrests each pivotally coupled with the rollover protective structure proximate the first end of the rollover protective structure. ### Claim 14 (depends on 13) The deployable operator station of claim 13, wherein one of the armrests comprises a joystick configured to receive a control input. ### Claim 15 (depends on 9) The deployable operator station of claim 9, wherein the rollover protective structure comprises connecting members at the second end, the connecting members defining a stowed slot and a deployed slot, wherein the selective engagement mechanism comprises: a plunger bias into engagement with the stowed slot or the deployed slot by a spring, the plunger configured to lock the overhead protective structure in a stowed orientation or a deployed orientation relative to the overhead protective structure; and a release bar configured to receive a user input and transition the plunger out of engagement with the stowed slot or the deployed slot; wherein the overhead protective structure is free to rotate relative to the rollover protective structure when the plunger is transitioned out of engagement with the stowed slot or the deployed slot. ### Claim 16 A lift device comprising: a chassis; a plurality of tractive elements rotatably coupled to the chassis and configured to support the chassis; an electric motor configured to drive the plurality of tractive elements for driving and steering operations; and a deployable operator station configured to transition between a deployed position and a tucked position, wherein the deployable operator station comprises: a rollover protective structure pivotally coupled with a support member at a first end and configured to be pivoted relative to the support member for deployment by a linear electric actuator; and an overhead protective structure pivotally coupled with a second end of the rollover protective structure, the overhead protective structure pivotally coupled with the rollover protective structure through a selective engagement mechanism, the selective engagement mechanism configured to receive a user input to selectively limit rotation between the overhead protective structure and the overhead protective structure. ### Claim 17 (depends on 16) The lift device of claim 16, wherein the deployable operator station comprises a plurality of shell members, wherein the shell members are configured to interlock with each other when the deployable operator station is transitioned into the tucked position. ### Claim 18 (depends on 16) The lift device of claim 16, wherein in the deployed position, the deployable operator station is configured to provide a seating and control arrangement for an operator and in the tucked position, the deployable operator station is substantially sealed from an external environment to limit access to the deployable operator station. ### Claim 19 (depends on 16) The lift device of claim 16, wherein the deployable operator station further comprises: a seat pan pivotally coupled with the rollover protective structure proximate the first end of the rollover protective structure; a seat back fixedly coupled with the rollover protective structure; and a pair of armrests each pivotally coupled with the rollover protective structure proximate the first end of the rollover protective structure. ### Claim 20 (depends on 16) The lift device of claim 16, wherein the lift device is a fully electric lift device.