US1484736A - Portable engine stand - Google Patents
Portable engine stand Download PDFInfo
- Publication number
- US1484736A US1484736A US333681A US33368119A US1484736A US 1484736 A US1484736 A US 1484736A US 333681 A US333681 A US 333681A US 33368119 A US33368119 A US 33368119A US 1484736 A US1484736 A US 1484736A
- Authority
- US
- United States
- Prior art keywords
- engine
- base
- upstanding
- frame
- dogs
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0007—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby for engines, motor-vehicles or bicycles
Definitions
- Our invention relates to an apparatus suitable for use in connection with the assembling, disassembling or repair of internal combustion engines.
- the invention in its broad aspect aims to provide an improved apparatus of the above character With which an internal combustion engine, or parts thereof, may be conveniently transported from one department to another of a shop during the course of the construction or repair of the engine, and which will present certain other advantageous features in connection with the application or removal of the engine from its operative position on a vehicle.
- the invention more specifically contenp plates the provision of an improved apparatus of the above character which will be particularly suitable for use in connection with the construction or repair of farm tractor engines, particularly the engine used on the Ford tractor, or in other situations where the engine, instead of being supported on the vehicle frame, is, in effect, a part of the frame.
- Our invention aims to overcome the above and other difliculties in connection with the application of an engine to its operative position or its removal therefrom by providing a simple and inexpensive apparatus which is provided with means whereby the engine may be accurately adjusted when the same is being applied to the vehicle and which may be conveniently positioned under the engine so as to support the engine while it is being disconnected from the other parts of the vehicle, and in addition to the above features, to provide a truck which may be conveniently used to transport the engine t2 the desired departments of the repair s op.
- the invention consists in the novel arrangements, constructions and combinations of parts hereinafter described and claimed for carrying out the above stated objects and such other objects as may appear from the following description of a preferred em bodiment of the invention.
- Fig. l is a view illustrating the manner in which the apparatus is positioned under the engine of a tractor, the tractor illustrated being of the Ford type and is shown in dotted lines in this figure.
- Fig. 2 is a side view, in elevation, of the apparatus showing in dotted lines one of the side frames moved to its lower position so as to permit the apparatus to be readily positioned under the engine.
- Fig. 3 is a vertical section taken through the apparatus on line 33 of Fig. 5.
- Fig. 4 is a fragmentary view, partly in section, illustrating the manner in which the pivoted side frame of the apparatus is locked in its upright position.
- Fig. 5 is a plan view of the apparatus
- Fig. 6 is a side View of the same, the view being taken at right angles to Figs. 2 and 3, and certain devices being omitted for the purpose of clearness.
- 10 designates the base frame which is supported on casters 11. These casters are preferably provided with a ball bearing connection 12 (Fig. 2)
- a rigid side frame 14 is secured at one edge of the base and preferably consists of corner posts 15 which may be bolted, as indicated at 16, or otherwise suitably secured to the base 10.
- the corner posts are connected and rigidified by means of cross braces 17, 17 which, are preferably formed integral with the corner posts.
- a pivoted frame 18 which consists of corner posts 19 secured together by means of cross-pieces 20, 20 in substantially the same manner as described in connection with the frame 1d.
- the lower ends of-the corner posts 19 are bifurcated as indicated at 21 and fit over upstanding rigidifying ribs 22 formed on the base 10 and pivoted to said ribs by means of the pivoted pins 23.
- each of these corner posts is also preferably provided with an angular extension 24 which is similarly bifurcated and provided with an aperture which when the frame is in its upstanding position registers with an aperture in the rigidifying rib 22.
- pin 25 may be inserted in said aperture so as to lock the frame in this position.
- the upper ends 26 of the corner posts 15, 19, are bifurcated as indicated at 27 so as to receive the dogs 28. lhese dogs are pivoted in the bifurcated portion, as indicated at 29,
- a suitable block E is placed under the transmis- I sion case so as to prevent it from dropping down.
- the front wheels F and axle G may be readily removed and the engine, together with the radiator and other associated devices, moved into the shop for repairs, and as it is-passed through each department of the shop the device to be repaired in that department is removed and the engine passed on to the next department.
- the engine After the engine has been repaired and reassembled it may be again attached to the transmission case C. In order to accomplish this it is usually necessary to effect minute adjustment so that the crank shaft of the engine will accurately align with the other operating mechanism ofthe tractor and so that the bolt holes of the engine and transmission case will register accurately.
- This result may be accomplished by manipulating certain of the hand wheels 33 soas to move the engine to the desired position.
- An engine supporting structure comprising a base, upstanding elements for supporting opposite sides of the engine, one of said elements being pivoted to the base whereby it may be lowered to permit the structure to be positioned under the engine porting position, and adjustable means on said elements for var ing the position of said engine.
- An engine supporting structure comprising a base, wheels on which the base is mounted, an upstanding element rigidly connected to the base and adapted to extend adjacent one side of the engine, an upstandingelement which extends adjacent the op- 52! and subsequently raised to its engine sup-.
- An engine supporting structure comprising a base, wheels on which the base is mounted, an upstanding element rigidly; connected to the base and adapted to extend adjacent one side of the engine, an oppositely disposed upstanding element which extends adjacent the opposite side of the en gine and having a hinged connection with the base whereby it may be lowered to permit the structure to be positioned under the engine, and a plurality of engine supporting devices pivotally connected with said upstanding elements and separately adjustable so as to vary the position of said engine.
- An engine supporting structure comprising a base, wheels on which the base is mounted, an upstanding element rigidly connected to the base and adapted to extend adjacent one side of the engine, an oppositely disposed upstanding element which extends adjacent the opposite side of the engine and having a hinged connection with the base whereby it may be lowered to permit the structure to be positioned under the engine, means for securing said element in its upstanding position, and a plurality of engine supporting devices pivotally connected with said upstanding elements and separately adjustable so as to'vary the position of said engine.
- An engine supporting structure comprising a base having upstanding elements adapted to be positioned on opposite sides of the engine, separately adjustable engine supporting devices comprising threaded studs secured to said elements, dogs pivoted to the upper end of said elements and provided at one end with lugs on which the engine is seated and at the other end with forks which fit over said studs, and hand wheels on said studs for changing the position of said dogs so as to adjust the engine to the desired position.
- An engine supporting structure comprising a base having upstanding elements adapted to be positioned on opposite sides of the engine, one of said elements being pivoted whereby the same may be lowered to permit the structure to be positioned under the engine and subsequently raised to its upstanding position, separately adjustable engine supporting devices comprising threaded studs secured to said elements, dogs pivoted to the upper end of said elements and provided at one end with lugs on which the engine is seated and at the other end with forks which fit over said studs, and
- hand wheels on said studs for changing the position of said dogs so as to adjust the engine to the desired position.
- An engine supporting structure comprising a base having upstanding elements adapted to be positioned on opposite sides of the engine, one of said elements bein pivoted whereby the same may be lowere to permit the structure to be positioned under the engine and subsequently raised to its upstanding position, a pin for locking said element in its upstanding position, separately adjustable engine supporting devices comprisin threaded studs secured to said elements, dogs pivoted to the upper end of said elements and provided at one end with lugs on which the engine is seated and at the other end with forks which fit over said studs, and hand wheels on said studs for changing the position of said dogs so as to adjust the engine to the desired position.
- An engine supporting structure comprising a base formed on opposite sides with upwardly extending casters on which the base is mounted, a rigid end frame secured to the base, an oppositely disposed end frame comprising corner uprights formed at their lower ends with bifurcations which fit over said ribs and with an angular projection adjacent said bifurcated portion, means for pivoting said side frame to said ribs, means for securing said projecting portion to said ribs whereby the frame is locked in its upstanding position, and pivoted dogs at the upper end of the end frames adapted to support the engine and being capable of independent adjustment whereby the position of the engine may be varied.
- An engine supporting structure comprising a base formed on opposite sides with upwardly extending casters on which the base is mounted, a rigid end frame secured to the base, an oppositely disposed end frame comprising corner uprights formed at their lower ends with bifurcations which fit over said ribs and with an angular projection adjacent said bifurcated portion, means for pivoting said side frame to said ribs, means for securing said projecting por tion to said ribs whereby the frame is locked in its upstanding position, and pivoted dogs at the upper end of the end frames adapted to engage the flange of the lower section of an engine crank case and being capable of independent adjustment whereby the position of the engine may be varied.
- An engine supporting structure comprising a base formed on opposite sides wit 1 upwardly extending casters on which the base is mounted, a rigid end frame secured to the base, an oppositely disposed end frame comprising corner uprights formed at their lower ends with bifurcations which fit over said ribs and with an angular pro jection adjacent said bifurcated portion,
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Description
H. E."PATRICK ET AL Feb. 26 1924:,
PORTABLE ENGINE STAND 4 Sheets-Sheet 1 Filed Oct. 27, 1919 ZILGJJ Feb. 26 1924.
H. E.'PATRICK ET AL PORTABLE ENGINE STAND Filed Oct. 27, 1919 4 Sheets-Sheet 2 Feb. 26 1924. I 3,44,?36
H. E. PATRICK ET AL PORTABLE ENGINE STAND Filed Oct. 27, 1919 4 Sheets-Sheet 4 B}. 1 lllllll lllnl mlllllm HI Alllullklhm Patented Feb. 26, rare.
earths teen HARRY E. PATRICK, OF EVANSTGN, AND ANDREW J. PETERSON JOHN W.
ESERIVIES, OF CHICAGO, ILLIHOIS, ASSIGNOR-S TO SERVICE STATION EQUIPMENT COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINGIS.
PORTABLE ENGINE STAND.
Application filed October. 27, 1919.
To all whom it may concern:
Be it known that we, HARRY E. PATRICK, ANDREW J. PETERSON, and J OHN W. BERMES, citizens of the United States, residing at Evanston and Chicago, respectively, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Portable Engine Stands, of which the following is a specification.
Our invention relates to an apparatus suitable for use in connection with the assembling, disassembling or repair of internal combustion engines.
The invention in its broad aspect aims to provide an improved apparatus of the above character With which an internal combustion engine, or parts thereof, may be conveniently transported from one department to another of a shop during the course of the construction or repair of the engine, and which will present certain other advantageous features in connection with the application or removal of the engine from its operative position on a vehicle.
The invention more specifically contenp plates the provision of an improved apparatus of the above character which will be particularly suitable for use in connection with the construction or repair of farm tractor engines, particularly the engine used on the Ford tractor, or in other situations where the engine, instead of being supported on the vehicle frame, is, in effect, a part of the frame. When applying engines to vehicles of this type, it is necessary to accurately align the engine with the parts of the vehicle to which the en.- gine is fastened and maintain the engine in such alignment until it is firmly bolted in its operative position. It is also important to support the engine in alignment with the other portion of the vehicle body when disconnecting the engine from the body.
Prior to our invention various devices had been employed for supporting the engine, such, for example, as overhead hoists. These devices have not been entirely satisfactory for the reason that it is difiicult to effect the minute adjustment of the engine which is usually necessary when applying it to the vehicle. In other instances, particularly in smaller shops which are not provided with overhead hoists and where it is impractical or undesirable to run the tractor into the Serial No. 333,681.
Our invention aims to overcome the above and other difliculties in connection with the application of an engine to its operative position or its removal therefrom by providing a simple and inexpensive apparatus which is provided with means whereby the engine may be accurately adjusted when the same is being applied to the vehicle and which may be conveniently positioned under the engine so as to support the engine while it is being disconnected from the other parts of the vehicle, and in addition to the above features, to provide a truck which may be conveniently used to transport the engine t2 the desired departments of the repair s op.
The invention consists in the novel arrangements, constructions and combinations of parts hereinafter described and claimed for carrying out the above stated objects and such other objects as may appear from the following description of a preferred em bodiment of the invention.
In the drawings,
Fig. l is a view illustrating the manner in which the apparatus is positioned under the engine of a tractor, the tractor illustrated being of the Ford type and is shown in dotted lines in this figure.
Fig. 2 is a side view, in elevation, of the apparatus showing in dotted lines one of the side frames moved to its lower position so as to permit the apparatus to be readily positioned under the engine.
Fig. 3 is a vertical section taken through the apparatus on line 33 of Fig. 5.
Fig. 4: is a fragmentary view, partly in section, illustrating the manner in which the pivoted side frame of the apparatus is locked in its upright position.
Fig. 5 is a plan view of the apparatus, and
Fig. 6 is a side View of the same, the view being taken at right angles to Figs. 2 and 3, and certain devices being omitted for the purpose of clearness.
Like characters of reference designate like parts in the several figures of the drawings.
Referring to the drawings, 10 designates the base frame which is supported on casters 11. These casters are preferably provided with a ball bearing connection 12 (Fig. 2)
with the flanges 13 formed at the corners of the base 10. A rigid side frame 14 is secured at one edge of the base and preferably consists of corner posts 15 which may be bolted, as indicated at 16, or otherwise suitably secured to the base 10. The corner posts are connected and rigidified by means of cross braces 17, 17 which, are preferably formed integral with the corner posts. At the opposite edge of the base is a pivoted frame 18 which consists of corner posts 19 secured together by means of cross-pieces 20, 20 in substantially the same manner as described in connection with the frame 1d. The lower ends of-the corner posts 19 are bifurcated as indicated at 21 and fit over upstanding rigidifying ribs 22 formed on the base 10 and pivoted to said ribs by means of the pivoted pins 23. The lower end of each of these corner posts is also preferably provided with an angular extension 24 which is similarly bifurcated and provided with an aperture which when the frame is in its upstanding position registers with an aperture in the rigidifying rib 22. When the frame is in its upstanding position pin 25 may be inserted in said aperture so as to lock the frame in this position. The upper ends 26 of the corner posts 15, 19, are bifurcated as indicated at 27 so as to receive the dogs 28. lhese dogs are pivoted in the bifurcated portion, as indicated at 29,
and are formed at their inner ends with lugs 30 on whichthe flange A. of the engine crank case B is seated. The other end of these dogs are provided with forks 31 which extend around threaded studs 32 extending outwardly from the frames 1a, 18. Hand wheels 33 have threaded engagement with the studs 32 and are adapted to bear against the forked end of the dogs 28 so that by turning the hand wheels down on the studs the angular position of the dogs 28 may be changed so as to vary the position of the engine. Each of the dogs 28 may be separately adjusted and by this means a minute adjustment of the position of the engine may be accomplished.
Operation: When desiring to position the apparatus under an engine of a vehicle, a Ford tractor, for example, the frame 18 is lowered to the dotted line position shown in Fig. 2. While the frame is in this position the apparatus may be readily pushed under the engine and being provided with casters may be shifted to its proper position without difficulty. The pivoted frame 18' may then be raised to its upstanding position and locked in said position by means of the pin 25. By turning the hand wheels 33 down on the studs 32 the angular position of the dogs 28 are changed so as to bear against the under surfaces of the crank case flanges A. While the engine is thus supported it may be readily detached from the D. Before the bolts D are removed a suitable block E is placed under the transmis- I sion case so as to prevent it from dropping down. l/V hen the engine is supported on our apparatus the front wheels F and axle G may be readily removed and the engine, together with the radiator and other associated devices, moved into the shop for repairs, and as it is-passed through each department of the shop the device to be repaired in that department is removed and the engine passed on to the next department. After the engine has been repaired and reassembled it may be again attached to the transmission case C. In order to accomplish this it is usually necessary to effect minute adjustment so that the crank shaft of the engine will accurately align with the other operating mechanism ofthe tractor and so that the bolt holes of the engine and transmission case will register accurately.
This result may be accomplished by manipulating certain of the hand wheels 33 soas to move the engine to the desired position.
While we have described our invention in one preferred embodiment, it will be obvious that modifications might be made without mounted upon the base and the other move ably mounted thereon so as to raise and lower, whereby the stand can be moved un-' der the engine of a tractor until its rigid up right is against the side thereof and the movable upright can then be raised againstthe other side of the engine; and the two uprights being equipped for the seating be tween them of the object to be supported such as said engine, and provisions being made for securing the movable uprigh tin its raised position.
2. An engine supporting structure comprising a base, upstanding elements for supporting opposite sides of the engine, one of said elements being pivoted to the base whereby it may be lowered to permit the structure to be positioned under the engine porting position, and adjustable means on said elements for var ing the position of said engine. j
8. An engine supporting structure comprising a base, wheels on which the base is mounted, an upstanding element rigidly connected to the base and adapted to extend adjacent one side of the engine, an upstandingelement which extends adjacent the op- 52!) and subsequently raised to its engine sup-. n i
weaves posite side of the engine and having a. hinged connection with the base whereby it may be lowered to permit the structure to be positioned under the engine, and engine supporting means pivotally connected With said upstanding elements and capable of adjustment so as to vary the position of said engine.
-i. An engine supporting structure comprising a base, wheels on which the base is mounted, an upstanding element rigidly; connected to the base and adapted to extend adjacent one side of the engine, an oppositely disposed upstanding element which extends adjacent the opposite side of the en gine and having a hinged connection with the base whereby it may be lowered to permit the structure to be positioned under the engine, and a plurality of engine supporting devices pivotally connected with said upstanding elements and separately adjustable so as to vary the position of said engine.
5. An engine supporting structure comprising a base, wheels on which the base is mounted, an upstanding element rigidly connected to the base and adapted to extend adjacent one side of the engine, an oppositely disposed upstanding element which extends adjacent the opposite side of the engine and having a hinged connection with the base whereby it may be lowered to permit the structure to be positioned under the engine, means for securing said element in its upstanding position, and a plurality of engine supporting devices pivotally connected with said upstanding elements and separately adjustable so as to'vary the position of said engine.
6. An engine supporting structure comprising a base having upstanding elements adapted to be positioned on opposite sides of the engine, separately adjustable engine supporting devices comprising threaded studs secured to said elements, dogs pivoted to the upper end of said elements and provided at one end with lugs on which the engine is seated and at the other end with forks which fit over said studs, and hand wheels on said studs for changing the position of said dogs so as to adjust the engine to the desired position.
7. An engine supporting structure comprising a base having upstanding elements adapted to be positioned on opposite sides of the engine, one of said elements being pivoted whereby the same may be lowered to permit the structure to be positioned under the engine and subsequently raised to its upstanding position, separately adjustable engine supporting devices comprising threaded studs secured to said elements, dogs pivoted to the upper end of said elements and provided at one end with lugs on which the engine is seated and at the other end with forks which fit over said studs, and
hand wheels on said studs for changing the position of said dogs so as to adjust the engine to the desired position.
8. An engine supporting structure comprising a base having upstanding elements adapted to be positioned on opposite sides of the engine, one of said elements bein pivoted whereby the same may be lowere to permit the structure to be positioned under the engine and subsequently raised to its upstanding position, a pin for locking said element in its upstanding position, separately adjustable engine supporting devices comprisin threaded studs secured to said elements, dogs pivoted to the upper end of said elements and provided at one end with lugs on which the engine is seated and at the other end with forks which fit over said studs, and hand wheels on said studs for changing the position of said dogs so as to adjust the engine to the desired position.
9. An engine supporting structure comprising a base formed on opposite sides with upwardly extending casters on which the base is mounted, a rigid end frame secured to the base, an oppositely disposed end frame comprising corner uprights formed at their lower ends with bifurcations which fit over said ribs and with an angular projection adjacent said bifurcated portion, means for pivoting said side frame to said ribs, means for securing said projecting portion to said ribs whereby the frame is locked in its upstanding position, and pivoted dogs at the upper end of the end frames adapted to support the engine and being capable of independent adjustment whereby the position of the engine may be varied.
10. An engine supporting structure comprising a base formed on opposite sides with upwardly extending casters on which the base is mounted, a rigid end frame secured to the base, an oppositely disposed end frame comprising corner uprights formed at their lower ends with bifurcations which fit over said ribs and with an angular projection adjacent said bifurcated portion, means for pivoting said side frame to said ribs, means for securing said projecting por tion to said ribs whereby the frame is locked in its upstanding position, and pivoted dogs at the upper end of the end frames adapted to engage the flange of the lower section of an engine crank case and being capable of independent adjustment whereby the position of the engine may be varied.
11. An engine supporting structure comprising a base formed on opposite sides wit 1 upwardly extending casters on which the base is mounted, a rigid end frame secured to the base, an oppositely disposed end frame comprising corner uprights formed at their lower ends with bifurcations which fit over said ribs and with an angular pro jection adjacent said bifurcated portion,
means for pivoting said side frame to said lar position of the engine with r'eletion to ribs, means for securing said projecting porthe supporting structure or the height at 1 tion to said ribs whereby the frame isloeked which the engine is 7 supported may be vein its upstanding position, and pivoted dogs ried. 8 at the upper endof the end frames adapted r n r to engage the flange of the lower section of HARRY E. PATRICK. 1
an engine crank case and-being capable of- ANDREW J. PETERSQN. independent adjustment whereby the angu- JOHN W; BERMES.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US333681A US1484736A (en) | 1919-10-27 | 1919-10-27 | Portable engine stand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US333681A US1484736A (en) | 1919-10-27 | 1919-10-27 | Portable engine stand |
Publications (1)
Publication Number | Publication Date |
---|---|
US1484736A true US1484736A (en) | 1924-02-26 |
Family
ID=23303815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US333681A Expired - Lifetime US1484736A (en) | 1919-10-27 | 1919-10-27 | Portable engine stand |
Country Status (1)
Country | Link |
---|---|
US (1) | US1484736A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428500A (en) * | 1944-07-17 | 1947-10-07 | Howard N Nutt | Shipping crate for automobile motors |
US4678391A (en) * | 1985-12-11 | 1987-07-07 | Mooney Warren M | Apparatus for converting a transfer truck to a flatbed or the like |
-
1919
- 1919-10-27 US US333681A patent/US1484736A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428500A (en) * | 1944-07-17 | 1947-10-07 | Howard N Nutt | Shipping crate for automobile motors |
US4678391A (en) * | 1985-12-11 | 1987-07-07 | Mooney Warren M | Apparatus for converting a transfer truck to a flatbed or the like |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4934720A (en) | Mobile cart having adjustable supports | |
US4239196A (en) | Engine stand | |
US2741830A (en) | Universal engine support | |
US4549722A (en) | Jack adapter for cradle supporting of vehicle differentials and transmissions | |
US2958395A (en) | Frame engaging unit for vehicle hoists | |
US3591029A (en) | Cycle carrier for an automotive vehicle | |
US5505425A (en) | Wheeled support for vehicles | |
US2814498A (en) | Retractible carriage mounting | |
US1484736A (en) | Portable engine stand | |
US2012635A (en) | Drive on tire jack | |
US1349633A (en) | Radiator-stand | |
US1519357A (en) | Elevating and tilting device for automobiles | |
US1580627A (en) | Work-supporting stand | |
US2838338A (en) | Dismountable superstructure for transporting vehicles | |
US3198538A (en) | Dolly | |
US1424190A (en) | Automobile repair stand | |
US2337674A (en) | Shipbuilding staging | |
US2416071A (en) | Spotting device for freight transfer apparatus | |
US2932527A (en) | Wheeled conveyor for transportation containers | |
US2198918A (en) | Hand truck | |
US1901103A (en) | Means for transporting vehicles and the like | |
US2529390A (en) | Corner truck unit | |
US2602633A (en) | Narrow gauge adapter for vehicle lifts | |
US1613057A (en) | Load-bracing jack | |
US3261487A (en) | Transporting device and accessory elements |