Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
190 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor, the first and second jacks being independently adjustable to hold the forward and rearward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts, and means extending between the bases of the jacks and the supports to lock the supports in positions to which they have been elevated by the jacks.
Claim 2
Dependent Claim
190 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor, the first and second jacks being independently adjustable to hold the forward and rearward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts, and means extending between the bases of the jacks and the supports to lock the supports in positions to which they have been elevated by the jacks.
Claim 3
Dependent Claim
226 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, and second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor, the first and second jacks being independently adjustable to hold the forward and rearward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts, the base of each jack having wheels at either side of and forwardly and rearwardly of the vertical axis of the jack to stably support the jack, and the connecting means extending from the jack being connected to and transmitting forces to the base of the jack close to its wheel axes so as to impart little toppling moment to the jack.
Claim 4
Dependent Claim
226 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, and second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor, the first and second jacks being independently adjustable to hold the forward and rearward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts, the base of each jack having wheels at either side of and forwardly and rearwardly of the vertical axis of the jack to stably support the jack, and the connecting means extending from the jack being connected to and transmitting forces to the base of the jack close to its wheel axes so as to impart little toppling moment to the jack.
Claim 5
Dependent Claim
76 words
Apparatus as claimed in claim 1, wherein the first connecting means comprises an arm extending forwardly from the wheeled base of the first jack to transmit forces close to the wheel axes of the base so as to exert little toppling moment to the first jack, and a yoke transverse to the arm and having uprights at opposite sides of the arm and connectable to transversely spaced apart points of said front part of the tractor.
Claim 6
Dependent Claim
34 words
Apparatus as claimed in claim 3, wherein the arm is hinged about a horizontal axis to the wheeled base of the first jack and is swingable in a vertical plane clear of the ground.
Claim 7
Dependent Claim
28 words
Apparatus as claimed in claim 4, wherein the position of the yoke along the arm is adjustable and the positions of the uprights along the yoke are adjustable.
Claim 8
Dependent Claim
252 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, and second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor; the first connecting meaNs comprising an arm extending forwardly from the wheeled base of the first jack so as to exert little toppling moment thereon, and a yoke transverse to the arm and having uprights at opposite sides of the arm and connectable to transversely spaced apart points of said front part of the tractor; the arm being hinged about a horizontal axis to the base of the first jack; the position of the yoke along the arm being adjustable and the positions of the uprights along the yoke being adjustable; the uprights being concave at their upper ends for engaging the tractor frame, and including flexible means that can be looped over the frame to fasten the uprights thereto.
Claim 9
Dependent Claim
252 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, and second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor; the first connecting meaNs comprising an arm extending forwardly from the wheeled base of the first jack so as to exert little toppling moment thereon, and a yoke transverse to the arm and having uprights at opposite sides of the arm and connectable to transversely spaced apart points of said front part of the tractor; the arm being hinged about a horizontal axis to the base of the first jack; the position of the yoke along the arm being adjustable and the positions of the uprights along the yoke being adjustable; the uprights being concave at their upper ends for engaging the tractor frame, and including flexible means that can be looped over the frame to fasten the uprights thereto.
Claim 10
Dependent Claim
75 words
Apparatus as claimed in claim 1, wherein the second connecting means comprises an arm hinged to and extending rearwardly from the wheeled base of the second jack to transmit forces close to the wheel axes of the base so as to exert little toppling moment to the second jack, the arm being swingable in a vertical plane clear of the ground, and a coupler extending upwardly from the arm and connectable to the tractor drawbar.
Claim 11
Dependent Claim
208 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, and second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor; the second connecting means comprising an arm extending rearwardly from the base of the second jack so as to exert little toppling moment thereon, and a coupler extending upwardly from the arm and connectable to the tractor drawbar; the arm being hinged about a horizontal axis to the base of the second jack; the coupler comprising a stud hinged to the arm and a brace adjustable to fix the angle of the stud to the arm.
Claim 12
Dependent Claim
208 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, and second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor; the second connecting means comprising an arm extending rearwardly from the base of the second jack so as to exert little toppling moment thereon, and a coupler extending upwardly from the arm and connectable to the tractor drawbar; the arm being hinged about a horizontal axis to the base of the second jack; the coupler comprising a stud hinged to the arm and a brace adjustable to fix the angle of the stud to the arm.
Claim 13
Dependent Claim
17 words
Apparatus as claimed in claim 7, wherein the position of the coupler along the arm is adjustable.
Claim 14
Dependent Claim
58 words
Apparatus as claimed in claim 1, wherein each support is adjustable in height relative to the jack in addition to being elevatable by the jack, each support comprising a generally horizontal plate substantially centered above the jack and adapted to contact the underside of and to receive the weight of one of said parts of the tractor midsection.
Claim 15
Dependent Claim
238 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having at least a tricycle-wheeled base with wheels located around the first jack and having a support elevatable to take the weight of the forward part of said midsection, a second jack having at least a tricycle-wheeled base with wheels located around the second jack and having a support elevatable to take the weight of the rearward part of said midsection, the supports being adjustable in height in addition to being elevatable by the jacks, a first arm hinged about a horizontal axis to the base of the first jack and extending forwardly from the first jack, a yoke transverse to the first arm and adjustable therealong, uprights on the yoke at opposite sides of the arm and adjustable along the yoke and connectable at their upper ends to the tractor between its front wheels, a second arm hinged about a horizontal axis to the base of the second jack and extending rearwardly from the second jack, and a coupler extending upwardly from the second arm, the position of the coupler along the second arm being adjustable and the coupler being connectable to the tractor drawbar, the jacks and their supports being independently adjustable to hold the forward and rEarward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts.
Claim 16
Dependent Claim
238 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having at least a tricycle-wheeled base with wheels located around the first jack and having a support elevatable to take the weight of the forward part of said midsection, a second jack having at least a tricycle-wheeled base with wheels located around the second jack and having a support elevatable to take the weight of the rearward part of said midsection, the supports being adjustable in height in addition to being elevatable by the jacks, a first arm hinged about a horizontal axis to the base of the first jack and extending forwardly from the first jack, a yoke transverse to the first arm and adjustable therealong, uprights on the yoke at opposite sides of the arm and adjustable along the yoke and connectable at their upper ends to the tractor between its front wheels, a second arm hinged about a horizontal axis to the base of the second jack and extending rearwardly from the second jack, and a coupler extending upwardly from the second arm, the position of the coupler along the second arm being adjustable and the coupler being connectable to the tractor drawbar, the jacks and their supports being independently adjustable to hold the forward and rEarward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts.
Claim 17
Dependent Claim
238 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor, the first and second jacks being independently adjustable to hold the forward and rearward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts, each support being adjustable in height relative to the jack in addition to being elevatable by the jack, each support comprising a generally horizontal plate substantially centered above the jack and adapted to contact the underside of and to receive the weight of one of said parts of the tractor midsection, and guides extending between the bases of the jacks and the supports to restrain the supports including said plates against other than vertical movement.
Claim 18
Dependent Claim
238 words
Apparatus for supporting a tractor when split at its midsection between its front and rear wheels, comprising a first jack having a wheeled base and having a support elevatable to take the weight of the forward part of said midsection, a second jack having a wheeled base and having a support elevatable to take the weight of the rearward part of said midsection, first connecting means extending forwardly from the first jack and firmly connectable to a front part of the tractor to ensure that the first jack stably rolls with the front wheels of the tractor, second connecting means extending rearwardly from the second jack and firmly connectable to a rear part of the tractor to ensure that the second jack stably rolls with the rear wheels of the tractor, the first and second jacks being independently adjustable to hold the forward and rearward parts of said midsection at exactly the same elevation ensuring perfect alignment of said forward and rearward parts, each support being adjustable in height relative to the jack in addition to being elevatable by the jack, each support comprising a generally horizontal plate substantially centered above the jack and adapted to contact the underside of and to receive the weight of one of said parts of the tractor midsection, and guides extending between the bases of the jacks and the supports to restrain the supports including said plates against other than vertical movement.