US20200331732A1 - Remotely Adjustable Automotive Lift Arm - Google Patents
Remotely Adjustable Automotive Lift Arm Download PDFInfo
- Publication number
- US20200331732A1 US20200331732A1 US16/831,613 US202016831613A US2020331732A1 US 20200331732 A1 US20200331732 A1 US 20200331732A1 US 202016831613 A US202016831613 A US 202016831613A US 2020331732 A1 US2020331732 A1 US 2020331732A1
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- housing
- screw
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- assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004891 communication Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/04—Jacks with screw and nut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/12—Lifting platforms for vehicles or motorcycles or similar lifting apparatus
- B66F2700/123—Details concerning the support members or devices not related to the lifting itself
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2046—Screw mechanisms with gears arranged perpendicular to screw shaft axis, e.g. helical gears engaging tangentially the screw shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2096—Arrangements for driving the actuator using endless flexible members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
Definitions
- the present invention relates generally to an adjustable lift arm for automotive lifts. More specifically, the present invention relates to an adjustable automotive lift arm that allows remote positioning of the lift arm and lifting pad by a user.
- One common version is an above ground, two post style lift.
- Above ground, two post style lifts typically comprise two vertical lifting columns with a lifting carriage on each column and two arms on each lifting carriage.
- a problem with these lifts is that to safely lift the vehicle, the user must bend over far enough, or kneel, or lay on the floor next to the vehicle, to actually see under the vehicle, then grasp the end of the lift arm to adjust it to the correct position under the vehicle.
- many vehicular contact points have to be raised or lowered to the correct position under the frame or pick-up points on the vehicle. This is a tedious, time consuming task and is physically hard on the users back, neck, and knees. Additionally, incorrectly positioned lifting pads can result in damage to the vehicle, the lift, or the user.
- the present invention would allow the technician to position the lift arms under the vehicle, extend them to the correct length, and position the lifting pads to the correct position and height, all without requiring the technician to bend over or kneel.
- the present invention would be a cost effective addition to popular automotive lifts, and the physical benefits for automotive technicians by means of easier lift arm manipulation combined with the benefits to shop owners the camera system would provide for training and liability purposes would make this a highly sought after addition to automotive lifts in the commercial market.
- FIG. 1 is a front top perspective view of the present invention.
- FIG. 2 is a rear bottom perspective view of the present invention.
- FIG. 3 is a schematic view of the screw receiving the camera assembly.
- FIG. 4 is a perspective view of the camera assembly.
- FIG. 5 is a perspective view of an embodiment of the present invention with portions of the telescopic arm removed from view.
- FIG. 6 is a schematic view of another embodiment of the present invention with a simpler setup.
- FIG. 7 is a schematic view of another embodiment of the present invention with a simpler setup where the lifting pad is elevated.
- FIG. 8 is a perspective view of the present invention displaying how the extension handle attaches to the input shaft.
- FIG. 9 is a top view of an embodiment of the present invention with self-adjusting cameras.
- the present invention is a remotely adjustable automotive lift arm that allows a user to position the lift arms under the vehicle, extend them to the correct length, and position the lifting pads to the correct location and height, all without requiring the user to bend over or kneel.
- the present invention is a modification of current lift arm designs.
- the present invention comprises a telescopic arm 1 , a screw jack assembly 2 , a lifting pad 3 , a camera assembly 4 , a gear assembly 5 , and an input shaft 50 .
- the telescopic arm 1 comprises a first housing 11 and a second housing 10 which are preferably two square or rectangular tubes.
- the telescopic arm 1 further comprises a pair of attachment features 111 which allows the telescopic arm 1 to attach to the lifting carriage 600 of an automotive lift.
- the pair of attachment features 111 is terminally integrated into the first housing 11 , opposite the second housing in order to be easily accessible for attaching the present invention to a lifting carriage 600 of an automobile lift.
- the pair of attachment features 111 is preferably a pair of sockets, each of which includes an attaching portion. A pin or shaft is inserted through the attaching portion of each of the pair of sockets, and into the lifting carriage 600 of an automotive lift, in a manner that allows the telescopic arm 1 to freely move in a horizontal arc.
- the second housing 10 is sleeved by the first housing 11 in a manner where the second housing 10 slides into the open end of the first housing 11 allowing the second housing 10 to telescope in or out.
- the telescopic arm 1 includes holes or sockets in required places to allow insertion of the various components and serve as shaft supports where required.
- the camera assembly 4 is inserted into one of these sockets directly opposite the screw 22 .
- a distal end of the second housing 10 furthest from the lifting carriage 600 contains a screw jack assembly 2 .
- the screw jack assembly 2 comprises a screw 22 , a lifting pad 3 , and an aperture 30 .
- the screw 22 is threadably mounted into the second housing 10 and is aligned to be perpendicular with the longitudinal axis of the telescopic arm 1 .
- the lifting pad 3 is terminally connected to the screw 22 , and the aperture 30 traverses through the lifting pad 3 .
- the aperture 30 is on center with a longitudinal channel 20 of the screw 22 and allows for a clear line of sight through the screw 22 and lifting pad 3 .
- the lifting pad 3 is positioned external to the second housing 10 .
- the input shaft 50 transfers torsional energy to the screw 22 allowing the screw 22 to be rotated into or out of the second housing 10 .
- the input shaft 50 is mounted to second housing 10 , offset from the screw 22 , and the screw 22 and the input shaft 50 are parallel to each other. Further, the screw 22 is torsionally engaged to the input shaft 50 by the gear assembly 5 . Thus, the input shaft 50 can transfer torsional energy to the screw 22 when an input torque is applied to the input shaft 50 .
- the camera assembly 4 is compressibly mounted within the screw 22 .
- the camera assembly 4 inserted through the bottom of the second housing 10 directly below the screw 22 , and up inside the longitudinal channel 20 of the screw 22 .
- a camera module 40 of the camera assembly 4 is in optical communication with the aperture 30 to provide the user a live image of the vehicle's undercarriage.
- the camera assembly 4 further comprises a camera mount 41 and a flange 410 .
- the present invention may further comprise a spring 47 in order to compressibly mount the camera assembly 4 within the screw 22 .
- the camera module 40 is sleeved by the camera mount 41 .
- the camera mount 41 and the camera module 40 are preferably tubing of different diameters to allow a telescoping connection between the two.
- the camera module 40 and the camera mount 41 preferably have a non-circular shape that allows an intermeshing of the two sections 411 to create a non-rotational joining, while retaining its ability to slide in or out.
- the flange 410 is terminally connected to the camera mount 41 and is positioned external to the second housing 10 , opposite to the lifting pad 3 .
- the flange 410 is attached to the bottom of the camera mount 41 and serves to attach the camera mount 41 to the second housing 10 .
- the non-rotational mounting of the camera assembly 4 results in a stable viewing perspective during rotation of the screw 22 and lifting pad 3 .
- the spring 47 or a similar compression device is positioned within a spring-receiving channel 46 of the camera mount 41 .
- the camera mount 41 and the camera module 40 are positioned within the longitudinal channel 20 of the screw 22 . Further, the camera module 40 is pressed against the lifting pad 3 by the spring 47 .
- the spring 47 is mounted inside the two telescoping tubes in a way that forces the camera module 40 up inside the longitudinal channel 20 of the screw 22 , until it makes contact with the smaller diameter hole of the lifting pad 3 , or a similar stop.
- a thrust bearing or washer 400 can be installed at the point where the camera module 40 and the stop meet to prevent wear.
- the camera module 40 can follow the lifting pad 3 as the lifting pad 3 descends as a result of the spring 47 contracting and follow the lifting pad 3 as the lifting pad 3 ascends as a result of the spring 47 expanding.
- the camera assembly 4 provides a direct line of sight through the screw 22 and lifting pad 3 , and its projected image can be sent to a mounted or handheld digital display, either by cables or by wireless means.
- the camera assembly 4 or the lifting pad 3 can incorporate a protective lens cover, and lighting for the camera.
- Video support components can be housed inside the telescopic arm 1 .
- the camera assembly 4 may further comprise at least one light 7 .
- the at least one light 7 is useful when the present invention is used in poorly-lit areas.
- the at least one light 7 is integrated into the camera module 40 .
- the at least one light 7 aids in providing a well-lit image of the vehicle's undercarriage.
- the camera assembly 4 can be rotationally mounted to the telescopic arm 1 , to allow adjustment of the viewing perspective.
- the camera assembly 4 can be mechanically linked to the lifting carriage 600 of an automobile lift by a cable assembly 6 resulting in a viewing perspective that remains parallel to the lifting carriage 600 and vehicle as the present invention is positioned under the vehicle.
- the cable assembly 6 comprises a cable body 603 , a cable sleeve 602 , a first cable guide 605 , a second cable guide 606 , a cable lever 604 , and a lifting carriage 600 anchor 601 .
- the cable body 603 is a semi-rigid elongated strip of material that comprises a fixed body end 6031 and a free body end 6032 .
- the cable lever 604 comprises a fixed lever end 6041 and a free lever end 6042 .
- the cable lever 604 is positioned external to the second housing 10 , opposite to the lifting pad 3 . This arrangement allows the camera assembly 4 to be rotated separately from the screw 22 .
- the fixed lever end 6041 is torsionally connected to the camera assembly 4 in order to rotate the camera assembly 4 as the cable lever 604 is rotated.
- the fixed body end 6031 is connected to the free lever end 6042 in order for the cable lever 604 to be rotated as the cable body 603 is translated when the present invention is adjusted in reference to the lifting carriage 600 .
- the first cable guide 605 and the second cable guide 606 are used to guide the cable body 603 along the telescopic arm 1 .
- the first cable guide 605 is connected external to the first housing 11
- the second cable guide 606 is connected external to the second housing 10 . This allows the cable body 603 to be guided from the second housing 10 to the first housing 11 .
- the cable sleeve 602 is a flexible cable housing that is connected in between the first cable guide 605 and the second cable guide 606 .
- the cable body 603 traverses through the cable sleeve 602 , and thus, the cable sleeve 602 protects the cable body 603 by preventing wear and tear to the cable body 603 .
- the lifting carriage 600 anchor 601 allows the cable body 603 to be mounted to the lifting carriage 600 of an automobile lift.
- the free body end 6032 is connected to the lifting carriage 600 anchor 601 in order for the camera assembly 4 to be mechanically linked to the lifting carriage 600 of an automobile lift by the cable assembly 6 .
- the telescopic arm 1 is moved horizontally, the distance between fixed body end 6031 and the free body end 6032 changes in length. This length change is transmitted to the camera assembly 4 through the cable assembly 6 , therefore, rotating the camera assembly 4 to remain parallel with the lifting carriage 600 of an automobile lift.
- the length of the cable body 603 allows full extension of the telescopic arm 1 .
- the gear assembly 5 transfers rotational movement from the input shaft 50 located near the end of arm 10 opposite the screw 22 .
- the input shaft 50 is aligned to be perpendicular with the longitudinal axis of the telescopic arm 1 and is aligned to be parallel with the screw 22 .
- the input shaft 50 extends through a socket in the top of the second housing 10 .
- the bottom of the input shaft 50 can be rotationally mounted in a socket 104 in the second housing 10 .
- the input shaft 50 can be hollow and keyed to allow insertion of an extension handle 55 .
- the extension handle 55 is positioned external to the telescopic arm 1 and can be torsionally engaged to the input shaft 50 .
- the extension handle 55 allows the user to position telescopic arm 1 and adjust the lifting pad 3 from a standing position.
- the gear assembly 5 could comprise any style of assembly that can transfer rotational movement from one shaft to another, including sprocket gears and roller chain, belt and pulleys, or a horizontal drive shaft and gears.
- the gear assembly 5 could be driven by the user or incorporate an electric motor.
- the gear assembly 5 comprises an input sprocket gear 52 , an output sprocket gear 53 , an output threaded sleeve 101 , and a roller chain 54 .
- the input shaft 50 is rotatably mounted within the second housing 10 .
- the input shaft 50 is unthreaded and is mounted in a rotational way using sockets in the arm as bearing mounts.
- the input sprocket gear 52 is laterally connected to the input shaft 50 in order to allow the input sprocket gear 52 to rotate as the input shaft 50 is rotated by a torque force.
- the output threaded sleeve 101 is rotationally mounted within the second housing 10 and is engaged by the screw 22 .
- the output threaded sleeve 101 is mounted in a rotational way using reinforced sockets in the telescopic arm 1 as bearing mount.
- the output threaded sleeve is engaged by the screw 22 which allows the screw 22 to be fastened into or out of the output threaded sleeve 101 .
- the output sprocket gear 53 is laterally connected to the output threaded sleeve 101 in order to allow the output threaded sleeve 101 to rotate as the output sprocket gear 53 is rotated. Further, the input sprocket gear 52 is torsionally engaged to the output sprocket gear 53 by the roller chain 54 .
- the rotary motion is transferred by the roller chain 54 to the output sprocket gear 53 and output threaded sleeve 101 , causing the screw 22 to be fastened into or out of the output threaded sleeve 101 .
- the screw 22 is kept from rotating by the shape of the camera mount 41 interacting with a corresponding shape inside the screw 22 .
- the output threaded sleeve 101 and the screw 22 interact, the rotary motion becomes a vertical motion of the screw 22 and lifting pad 3 .
- the downward force exerted on the output threaded sleeve 101 forces the output threaded sleeve 101 to push down against the telescopic arm 1 for support, serving as a brake for the output threaded sleeve 101 , to prevent vertical movement of the lifting pad 3 under load.
- the gear assembly 5 comprises an input sprocket gear 52 , an output sprocket gear 53 , an input threaded sleeve 103 , and output threaded sleeve 101 , and a roller chain 54 .
- the input threaded sleeve 103 and the output threaded sleeve 101 are externally mounted onto the second housing 10 . This arrangement respectively allows the input shaft 50 and the screw 22 to be fastened into or out of the second housing 10 .
- the input threaded sleeve 103 and the output threaded sleeve 101 are positioned offset from each other.
- the input threaded sleeve 103 and the output threaded sleeve 101 are offset from each other so their respective engagement components are able to function without mechanically interfering with each other.
- the input threaded sleeve 103 is threadably engaged by the input shaft 50 .
- the output threaded sleeve 101 is engaged by the screw 22 which allows the screw 22 to be fastened into or out of the output threaded sleeve 101 .
- the input sprocket gear 52 and the output sprocket gear 53 are positioned within the second housing 10 in order to conceal the gear assembly 5 .
- the input sprocket gear 52 is laterally connected to input shaft 50 in order to allow the input sprocket gear 52 to rotate as the input shaft 50 is rotated by a torque force.
- the output sprocket gear 53 is laterally connected to the screw 22 in order to allow the screw 22 to rotate as the output sprocket gear 53 is rotated.
- the input sprocket gear 52 is torsionally engaged to the output sprocket gear 53 by the roller chain 54 .
- the roller chain 54 transfers the rotational movement to the output sprocket gear 53 and the screw 22 .
- the result is a unison vertical movement by the screw 22 , the lifting pad 3 , the input shaft 50 , the input sprocket gear 52 , the output sprocket gear 53 , and roller chain 54 .
- the camera assembly 4 is fixed to the bottom of the telescopic arm 1 while the non-rotational camera module 40 retains a stable image through the screw 22 .
- the telescopic arm 1 may further comprise a shaft channel 114 .
- the shaft channel 114 is an elongated slot on top of the first housing 11 to allow access to the screw jack assembly 2 and the input shaft 50 .
- the shaft channel 114 can be reinforced to add strength to the arm.
- the shaft channel 114 traverses into the first housing 11 , and the input shaft 50 is slidably engaged into the shaft channel 114 .
- input shaft 50 does not disrupt the telescopic connection between the first housing 11 and the second housing 10 .
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
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- Structural Engineering (AREA)
- Accessories Of Cameras (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
Description
- The current application claims a priority to the U.S. Provisional Patent application Ser. No. 62/835,380 filed on Apr. 17, 2019.
- The present invention relates generally to an adjustable lift arm for automotive lifts. More specifically, the present invention relates to an adjustable automotive lift arm that allows remote positioning of the lift arm and lifting pad by a user.
- There are various kinds of automotive lifts. One common version is an above ground, two post style lift. Above ground, two post style lifts typically comprise two vertical lifting columns with a lifting carriage on each column and two arms on each lifting carriage.
- A problem with these lifts is that to safely lift the vehicle, the user must bend over far enough, or kneel, or lay on the floor next to the vehicle, to actually see under the vehicle, then grasp the end of the lift arm to adjust it to the correct position under the vehicle. To further the problem, many vehicular contact points have to be raised or lowered to the correct position under the frame or pick-up points on the vehicle. This is a tedious, time consuming task and is physically hard on the users back, neck, and knees. Additionally, incorrectly positioned lifting pads can result in damage to the vehicle, the lift, or the user.
- The present invention would allow the technician to position the lift arms under the vehicle, extend them to the correct length, and position the lifting pads to the correct position and height, all without requiring the technician to bend over or kneel. The present invention would be a cost effective addition to popular automotive lifts, and the physical benefits for automotive technicians by means of easier lift arm manipulation combined with the benefits to shop owners the camera system would provide for training and liability purposes would make this a highly sought after addition to automotive lifts in the commercial market.
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FIG. 1 is a front top perspective view of the present invention. -
FIG. 2 is a rear bottom perspective view of the present invention. -
FIG. 3 is a schematic view of the screw receiving the camera assembly. -
FIG. 4 is a perspective view of the camera assembly. -
FIG. 5 is a perspective view of an embodiment of the present invention with portions of the telescopic arm removed from view. -
FIG. 6 is a schematic view of another embodiment of the present invention with a simpler setup. -
FIG. 7 is a schematic view of another embodiment of the present invention with a simpler setup where the lifting pad is elevated. -
FIG. 8 is a perspective view of the present invention displaying how the extension handle attaches to the input shaft. -
FIG. 9 is a top view of an embodiment of the present invention with self-adjusting cameras. - All illustrations of the drawings are for the purpose of describing selected versions of the present invention and are not intended to limit the scope of the present invention.
- The present invention is a remotely adjustable automotive lift arm that allows a user to position the lift arms under the vehicle, extend them to the correct length, and position the lifting pads to the correct location and height, all without requiring the user to bend over or kneel. The present invention is a modification of current lift arm designs. The present invention comprises a
telescopic arm 1, ascrew jack assembly 2, alifting pad 3, acamera assembly 4, agear assembly 5, and aninput shaft 50. In reference toFIGS. 1 and 2 , thetelescopic arm 1 comprises afirst housing 11 and asecond housing 10 which are preferably two square or rectangular tubes. An inner diameter of thefirst housing 11 is slightly larger than an outer diameter of thesecond housing 10, allowing thesecond housing 10 to fit inside thefirst housing 11 and slide in or out to change the overall length of thetelescopic arm 1. Thetelescopic arm 1 further comprises a pair ofattachment features 111 which allows thetelescopic arm 1 to attach to the liftingcarriage 600 of an automotive lift. The pair ofattachment features 111 is terminally integrated into thefirst housing 11, opposite the second housing in order to be easily accessible for attaching the present invention to a liftingcarriage 600 of an automobile lift. The pair ofattachment features 111 is preferably a pair of sockets, each of which includes an attaching portion. A pin or shaft is inserted through the attaching portion of each of the pair of sockets, and into the liftingcarriage 600 of an automotive lift, in a manner that allows thetelescopic arm 1 to freely move in a horizontal arc. - The
second housing 10 is sleeved by thefirst housing 11 in a manner where thesecond housing 10 slides into the open end of thefirst housing 11 allowing thesecond housing 10 to telescope in or out. Thetelescopic arm 1 includes holes or sockets in required places to allow insertion of the various components and serve as shaft supports where required. Thecamera assembly 4 is inserted into one of these sockets directly opposite thescrew 22. - In reference to
FIGS. 1 and 3 , a distal end of thesecond housing 10 furthest from the liftingcarriage 600 contains ascrew jack assembly 2. Thescrew jack assembly 2 comprises ascrew 22, alifting pad 3, and anaperture 30. Thescrew 22 is threadably mounted into thesecond housing 10 and is aligned to be perpendicular with the longitudinal axis of thetelescopic arm 1. Thelifting pad 3 is terminally connected to thescrew 22, and theaperture 30 traverses through thelifting pad 3. In further detail, theaperture 30 is on center with alongitudinal channel 20 of thescrew 22 and allows for a clear line of sight through thescrew 22 andlifting pad 3. Thelifting pad 3 is positioned external to thesecond housing 10. This arrangement allows thelifting pad 3 to contact a vehicle's undercarriage when the present invention is in use. Theinput shaft 50 transfers torsional energy to thescrew 22 allowing thescrew 22 to be rotated into or out of thesecond housing 10. Theinput shaft 50 is mounted tosecond housing 10, offset from thescrew 22, and thescrew 22 and theinput shaft 50 are parallel to each other. Further, thescrew 22 is torsionally engaged to theinput shaft 50 by thegear assembly 5. Thus, theinput shaft 50 can transfer torsional energy to thescrew 22 when an input torque is applied to theinput shaft 50. Thecamera assembly 4 is compressibly mounted within thescrew 22. In further detail, thecamera assembly 4 inserted through the bottom of thesecond housing 10 directly below thescrew 22, and up inside thelongitudinal channel 20 of thescrew 22. Acamera module 40 of thecamera assembly 4 is in optical communication with theaperture 30 to provide the user a live image of the vehicle's undercarriage. - In reference to
FIGS. 3 and 4 , thecamera assembly 4 further comprises acamera mount 41 and aflange 410. The present invention may further comprise a spring 47 in order to compressibly mount thecamera assembly 4 within thescrew 22. Thecamera module 40 is sleeved by thecamera mount 41. In further detail, thecamera mount 41 and thecamera module 40 are preferably tubing of different diameters to allow a telescoping connection between the two. Thecamera module 40 and thecamera mount 41 preferably have a non-circular shape that allows an intermeshing of the twosections 411 to create a non-rotational joining, while retaining its ability to slide in or out. Theflange 410 is terminally connected to thecamera mount 41 and is positioned external to thesecond housing 10, opposite to thelifting pad 3. In further detail, theflange 410 is attached to the bottom of thecamera mount 41 and serves to attach thecamera mount 41 to thesecond housing 10. The non-rotational mounting of thecamera assembly 4 results in a stable viewing perspective during rotation of thescrew 22 andlifting pad 3. The spring 47 or a similar compression device is positioned within a spring-receivingchannel 46 of thecamera mount 41. Thecamera mount 41 and thecamera module 40 are positioned within thelongitudinal channel 20 of thescrew 22. Further, thecamera module 40 is pressed against thelifting pad 3 by the spring 47. In further detail, the spring 47 is mounted inside the two telescoping tubes in a way that forces thecamera module 40 up inside thelongitudinal channel 20 of thescrew 22, until it makes contact with the smaller diameter hole of thelifting pad 3, or a similar stop. A thrust bearing orwasher 400 can be installed at the point where thecamera module 40 and the stop meet to prevent wear. Thecamera module 40 can follow thelifting pad 3 as thelifting pad 3 descends as a result of the spring 47 contracting and follow thelifting pad 3 as thelifting pad 3 ascends as a result of the spring 47 expanding. Thecamera assembly 4 provides a direct line of sight through thescrew 22 andlifting pad 3, and its projected image can be sent to a mounted or handheld digital display, either by cables or by wireless means. Thecamera assembly 4 or thelifting pad 3 can incorporate a protective lens cover, and lighting for the camera. Video support components can be housed inside thetelescopic arm 1. For example, thecamera assembly 4 may further comprise at least onelight 7. The at least onelight 7 is useful when the present invention is used in poorly-lit areas. The at least onelight 7 is integrated into thecamera module 40. Thus, the at least one light 7 aids in providing a well-lit image of the vehicle's undercarriage. - In reference to
FIG. 9 , in one embodiment, thecamera assembly 4 can be rotationally mounted to thetelescopic arm 1, to allow adjustment of the viewing perspective. Continuing with this embodiment, thecamera assembly 4 can be mechanically linked to the liftingcarriage 600 of an automobile lift by a cable assembly 6 resulting in a viewing perspective that remains parallel to the liftingcarriage 600 and vehicle as the present invention is positioned under the vehicle. The cable assembly 6 comprises acable body 603, acable sleeve 602, afirst cable guide 605, asecond cable guide 606, acable lever 604, and a liftingcarriage 600anchor 601. Thecable body 603 is a semi-rigid elongated strip of material that comprises a fixedbody end 6031 and afree body end 6032. Thecable lever 604 comprises a fixedlever end 6041 and afree lever end 6042. Thecable lever 604 is positioned external to thesecond housing 10, opposite to thelifting pad 3. This arrangement allows thecamera assembly 4 to be rotated separately from thescrew 22. The fixedlever end 6041 is torsionally connected to thecamera assembly 4 in order to rotate thecamera assembly 4 as thecable lever 604 is rotated. The fixedbody end 6031 is connected to thefree lever end 6042 in order for thecable lever 604 to be rotated as thecable body 603 is translated when the present invention is adjusted in reference to the liftingcarriage 600. Thefirst cable guide 605 and thesecond cable guide 606 are used to guide thecable body 603 along thetelescopic arm 1. Thefirst cable guide 605 is connected external to thefirst housing 11, and thesecond cable guide 606 is connected external to thesecond housing 10. This allows thecable body 603 to be guided from thesecond housing 10 to thefirst housing 11. Thecable sleeve 602 is a flexible cable housing that is connected in between thefirst cable guide 605 and thesecond cable guide 606. Thecable body 603 traverses through thecable sleeve 602, and thus, thecable sleeve 602 protects thecable body 603 by preventing wear and tear to thecable body 603. The liftingcarriage 600anchor 601 allows thecable body 603 to be mounted to the liftingcarriage 600 of an automobile lift. Thefree body end 6032 is connected to the liftingcarriage 600anchor 601 in order for thecamera assembly 4 to be mechanically linked to the liftingcarriage 600 of an automobile lift by the cable assembly 6. In further detail, as thetelescopic arm 1 is moved horizontally, the distance between fixedbody end 6031 and thefree body end 6032 changes in length. This length change is transmitted to thecamera assembly 4 through the cable assembly 6, therefore, rotating thecamera assembly 4 to remain parallel with the liftingcarriage 600 of an automobile lift. Furthermore, the length of thecable body 603 allows full extension of thetelescopic arm 1. - In reference to
FIGS. 5 and 8 , thegear assembly 5 transfers rotational movement from theinput shaft 50 located near the end ofarm 10 opposite thescrew 22. Theinput shaft 50 is aligned to be perpendicular with the longitudinal axis of thetelescopic arm 1 and is aligned to be parallel with thescrew 22. Theinput shaft 50 extends through a socket in the top of thesecond housing 10. The bottom of theinput shaft 50 can be rotationally mounted in asocket 104 in thesecond housing 10. Theinput shaft 50 can be hollow and keyed to allow insertion of anextension handle 55. The extension handle 55 is positioned external to thetelescopic arm 1 and can be torsionally engaged to theinput shaft 50. Thus, the extension handle 55 allows the user to positiontelescopic arm 1 and adjust thelifting pad 3 from a standing position. In different embodiments of the invention, thegear assembly 5 could comprise any style of assembly that can transfer rotational movement from one shaft to another, including sprocket gears and roller chain, belt and pulleys, or a horizontal drive shaft and gears. Thegear assembly 5 could be driven by the user or incorporate an electric motor. - In reference to
FIG. 5 , in one embodiment of thegear assembly 5, thegear assembly 5 comprises aninput sprocket gear 52, anoutput sprocket gear 53, an output threadedsleeve 101, and aroller chain 54. Theinput shaft 50 is rotatably mounted within thesecond housing 10. In further detail, theinput shaft 50 is unthreaded and is mounted in a rotational way using sockets in the arm as bearing mounts. Theinput sprocket gear 52 is laterally connected to theinput shaft 50 in order to allow theinput sprocket gear 52 to rotate as theinput shaft 50 is rotated by a torque force. The output threadedsleeve 101 is rotationally mounted within thesecond housing 10 and is engaged by thescrew 22. The output threadedsleeve 101 is mounted in a rotational way using reinforced sockets in thetelescopic arm 1 as bearing mount. The output threaded sleeve is engaged by thescrew 22 which allows thescrew 22 to be fastened into or out of the output threadedsleeve 101. Theoutput sprocket gear 53 is laterally connected to the output threadedsleeve 101 in order to allow the output threadedsleeve 101 to rotate as theoutput sprocket gear 53 is rotated. Further, theinput sprocket gear 52 is torsionally engaged to theoutput sprocket gear 53 by theroller chain 54. In further detail, as theinput shaft 50 and theinput sprocket gear 52 are rotated by a torque force, the rotary motion is transferred by theroller chain 54 to theoutput sprocket gear 53 and output threadedsleeve 101, causing thescrew 22 to be fastened into or out of the output threadedsleeve 101. Thescrew 22 is kept from rotating by the shape of thecamera mount 41 interacting with a corresponding shape inside thescrew 22. As the output threadedsleeve 101 and thescrew 22 interact, the rotary motion becomes a vertical motion of thescrew 22 andlifting pad 3. As weight is applied to thelifting pad 3, while lifting the vehicle, the downward force exerted on the output threadedsleeve 101 forces the output threadedsleeve 101 to push down against thetelescopic arm 1 for support, serving as a brake for the output threadedsleeve 101, to prevent vertical movement of thelifting pad 3 under load. - In reference to
FIGS. 6 and 7 , in another embodiment of thegear assembly 5, thegear assembly 5 comprises aninput sprocket gear 52, anoutput sprocket gear 53, an input threadedsleeve 103, and output threadedsleeve 101, and aroller chain 54. The input threadedsleeve 103 and the output threadedsleeve 101 are externally mounted onto thesecond housing 10. This arrangement respectively allows theinput shaft 50 and thescrew 22 to be fastened into or out of thesecond housing 10. The input threadedsleeve 103 and the output threadedsleeve 101 are positioned offset from each other. The input threadedsleeve 103 and the output threadedsleeve 101 are offset from each other so their respective engagement components are able to function without mechanically interfering with each other. The input threadedsleeve 103 is threadably engaged by theinput shaft 50. Thus, theinput shaft 50 can be fastened into or out of the input threadedsleeve 103. The output threadedsleeve 101 is engaged by thescrew 22 which allows thescrew 22 to be fastened into or out of the output threadedsleeve 101. Theinput sprocket gear 52 and theoutput sprocket gear 53 are positioned within thesecond housing 10 in order to conceal thegear assembly 5. Theinput sprocket gear 52 is laterally connected to inputshaft 50 in order to allow theinput sprocket gear 52 to rotate as theinput shaft 50 is rotated by a torque force. Theoutput sprocket gear 53 is laterally connected to thescrew 22 in order to allow thescrew 22 to rotate as theoutput sprocket gear 53 is rotated. Further, theinput sprocket gear 52 is torsionally engaged to theoutput sprocket gear 53 by theroller chain 54. In further detail, as theinput shaft 50 andinput sprocket gear 52 are rotated, theroller chain 54 transfers the rotational movement to theoutput sprocket gear 53 and thescrew 22. As thescrew 22 andinput shaft 50 are rotated respectively through the output threadedsleeve 101 and the input threadedsleeve 103, affixed to the top of thetelescopic arm 1, the result is a unison vertical movement by thescrew 22, thelifting pad 3, theinput shaft 50, theinput sprocket gear 52, theoutput sprocket gear 53, androller chain 54. Thecamera assembly 4 is fixed to the bottom of thetelescopic arm 1 while thenon-rotational camera module 40 retains a stable image through thescrew 22. - With reference to
FIG. 1 and in order to allow thesecond housing 10 to properly slide into and out of thesecond housing 10, thetelescopic arm 1 may further comprise ashaft channel 114. In further detail, theshaft channel 114 is an elongated slot on top of thefirst housing 11 to allow access to thescrew jack assembly 2 and theinput shaft 50. Theshaft channel 114 can be reinforced to add strength to the arm. Theshaft channel 114 traverses into thefirst housing 11, and theinput shaft 50 is slidably engaged into theshaft channel 114. Thus,input shaft 50 does not disrupt the telescopic connection between thefirst housing 11 and thesecond housing 10. - Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention. Although specific advantages have been enumerated above, various embodiments may include some, none, or all of the enumerated advantages.
Claims (8)
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US16/831,613 US10807846B1 (en) | 2019-04-17 | 2020-03-26 | Remotely adjustable automotive lift arm |
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US20240109759A1 (en) * | 2021-07-07 | 2024-04-04 | Vehicle Service Group, Llc | Lift superstructure arm pin |
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CN114719009B (en) * | 2022-06-09 | 2022-08-19 | 常州海特赐仁传动科技有限公司 | Transmission device based on electric appliance spline shaft |
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US6663298B2 (en) * | 2002-02-07 | 2003-12-16 | Todd Gregory Haney | Hand held counter balance and shock absorber camera mount |
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US20240109759A1 (en) * | 2021-07-07 | 2024-04-04 | Vehicle Service Group, Llc | Lift superstructure arm pin |
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