SECTION I - CLASS DEFINITION
This class includes that portion of land vehicles by means
of which the pull of draft animals is utilized to move the vehicle
over the ground.
SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS
This class is subordinate to Class 280, Land Vehicles, and
is distinguished therefrom, as indicated in the class definition
above.
SUBCLASSES
![[List of Patents for class 278 subclass 1]](../ps.gif) 1 | MISCELLANEOUS: |
| | This subclass is indented under the class definition. Devices and not classified in any of the other subclasses
of this class. |
| | |
| 2 | LOAD STARTERS: |
| | This subclass is indented under the class definition. Subject matter including devices auxiliary to the conventional
means for drawing a vehicle which can be used to start a load by giving
increased mechanical advantage to the draft animals.
SEE OR SEARCH CLASS:
| 280, | Land Vehicles,
subclass 151 for load starters operated by an auxiliary force |
|
| | |
| 2.1 | STREETCAR: |
| | This subclass is indented under the class definition. Subject matter including means for attaching draft animals
to streetcars. |
| | |
| | DRAFT EQUALIZERS: |
| | This subclass is indented under the class definition. Subject matter wherein the group of subclasses indented
hereunder comprise means for effecting and utilizing the pull of
two or more draft animals, so that the load will be proportioned
to each animal in accordance with unit strength or varying conditions
of pull; also means, where the line of draft relative to the load
is offset, to overcome and prevent so-called "side draft".
| | (1)
Note. Conventional doubletrees involving only structural
features and attaching means in the line of draft will be found in
this class, subclasses 90+. | |
| | |
| 4 | Two abreast: |
| | This subclass is indented under subclass 3. Subject matter wherein the draft animals are arranged in
files of two abreast. |
| | |
| 10 | Offset pole: |
| | This subclass is indented under subclass 9. Subject matter wherein the pole is offset relative to the
team, i.e., three on one side and one on the other side of the pole. |
| | |
| 16 | With intermediate evener: |
| | This subclass is indented under subclass 15. Subject matter wherein an intermediate evener is used to
connect at least two of the draft animals to a main evener or its
equivalent. |
| | |
| 17 | Offset: |
| | This subclass is indented under subclass 16. Subject matter wherein the intermediate evener has an offset
position relative to the pole. |
| | |
| 19 | Leverage adjustment: |
| | This subclass is indented under subclass 18. Subject matter wherein there is a possible adjustment of
position of the singletrees relative to the evener or of the evener
relative to the load to proportion the load according to the strength
or position of each of the draft animals. |
| | |
| 20 | Automatic: |
| | This subclass is indented under subclass 19. Subject matter wherein the adjustment of position is effected
automatically. |
| | |
| 21 | HORSE DETACHERS: |
| | This subclass is indented under the class definition. Subject matter comprising devices involving no special harness
modification for quickly detaching draft animals from the vehicle;
usually the driver can operate this disconnection from a position
on the vehicle, as in case of the animal or animals running away.
SEE OR SEARCH CLASS:
| 54, | Harness for Working Animal,
subclass 69 , for devices of like purpose involving harness
modification or special arrangement of harness, with special vehicle
attachments to cooperate therewith. |
|
| | |
| 22 | Automatic: |
| | This subclass is indented under subclass 21. Subject matter wherein the detachment is effected automatically. |
| | |
| 23 | Combined brake: |
| | This subclass is indented under subclass 21. Subject matter wherein upon operation of the detaching device,
brakes are operated to stop the movement of the vehicle. |
| | |
| 24 | Traces from singletree: |
| | This subclass is indented under subclass 21. Subject matter including means for simultaneously detaching
the traces from the singletree.
| | (1)
Note. The singletree may be an element of a doubletree. | |
| | |
| 27 | Pivoted: |
| | This subclass is indented under subclass 26. Subject matter wherein the trace-eye-engaging element is
pivoted. |
| | |
| 33 | POLE AND THILLS: |
| | This subclass is indented under the class definition. Subject matter including patents for improvements relating
to the pole or thills of a vehicle. |
| | |
| 34 | Plural: |
| | This subclass is indented under subclass 33. Subject matter wherein the poles or thills are duplicated
in the same vehicle. |
| | |
| 37 | Agricultural implement type: |
| | This subclass is indented under subclass 36. Subject matter including the type used with agricultural
implements.
| | (1)
Note. Where the function of the devices is to equalize draft,
they will be found in appropriate subclasses under "Draft Equalizers" in
this class. | |
| | |
| 39 | Selective positioned: |
| | This subclass is indented under subclass 36. Subject matter wherein the pole body is capable of attachment
to the rest of the pole in a plurality of positions. |
| | |
| 40 | Slip tongue: |
| | This subclass is indented under subclass 36. Subject matter wherein the pole is socketed to a part of
the vehicle and can be slipped into or out of such position. |
| | |
| 42 | Width adjustment: |
| | This subclass is indented under subclass 41. Subject matter wherein the pole has an adjustable rear-end
portion to vary its width to accommodate it to varyingly spaced
axle clips or equivalent axle fastenings. |
| | |
| 46 | Offset draft: |
| | This subclass is indented under subclass 44. Subject matter wherein thills are so constructed or positioned
relative to a vehicle that the draft animal travels to one side
of the center line of draft. |
| | |
| 47 | Selective direct: |
| | This subclass is indented under subclass 46. Subject matter wherein the thills may be selectively positioned
to the vehicle, so that the draft animal travels either in the line
of draft or to one side thereof. |
| | |
| 48 | Sectional: |
| | This subclass is indented under subclass 44. Subject matter wherein the thills are composed of easily
disconnected sections. |
| | |
| 50 | Tips: |
| | This subclass is indented under subclass 33. Subject matter including devices for tipping the ends of
poles or thills. |
| | |
| 51 | Safety neck-yoke retainers: |
| | This subclass is indented under subclass 50. Subject matter wherein pole tips are provided with means
for preventing accidental removal of conventional neck-yoke centers
from the ends of poles.
| | (1)
Note. Devices for a similar purpose where the neck-yoke center
is modified will be found in this class, subclasses 51 and 53. | |
| | |
| 52 | THILL COUPLINGS: |
| | This subclass is indented under the class definition. Subject matter including devices for attaching thills to
a vehicle; usually such connection is made to the axle; one of the
elements of the coupling is formed on the thills. |
| | |
| 53 | Resilient: |
| | This subclass is indented under subclass 52. Subject matter wherein the coupling resiliently connects
the thills to the vehicle. |
| | |
| 54 | Safety attachment: |
| | This subclass is indented under subclass 52. Subject matter including devices adapted to prevent separation
of the thills and vehicle in case of disconnection of the coupling. |
| | |
| 55 | Plural: |
| | This subclass is indented under subclass 52. Subject matter wherein the thills as a whole can be disconnected
from the vehicle by any one of two or more couplings. |
| | |
| 56 | Special position release: |
| | This subclass is indented under subclass 52. Subject matter wherein the coupling can be disconnected
by movement of the thills to a special position other than the one
in which the thills are normally placed. |
| | |
| 57 | L-head type: |
| | This subclass is indented under subclass 56. Subject matter wherein one of the elements of the coupling
is L-shaped. |
| | |
| 58 | T-head type: |
| | This subclass is indented under subclass 56. Subject matter wherein one of the elements of the coupling
is T-shaped. |
| | |
| 59 | D-head type: |
| | This subclass is indented under subclass 56. Subject matter wherein one of the elements of the coupling
is D-shaped. |
| | |
| 61 | Antirattling: |
| | This subclass is indented under subclass 60. Subject matter including devices for attachment to conventional
couplings of the type indicated to prevent rattling of the couplings. |
| | |
| 63 | Resilient: |
| | This subclass is indented under subclass 61. Subject matter wherein the antirattling device is resilient. |
| | |
| 64 | Adjustable: |
| | This subclass is indented under subclass 63. Subject matter wherein the antirattling device is provided
with means to adjust the resilient element. |
| | |
| 65 | Special pin retainers: |
| | This subclass is indented under subclass 60. Subject matter including special means for holding the pin
or bolt in place other than by conventional nuts, cotter pins, etc. |
| | |
| 67 | L-head type: |
| | This subclass is indented under subclass 52. Subject matter wherein one of the elements of the coupling
is L-shaped. |
| | |
| 68 | T-head type: |
| | This subclass is indented under subclass 52. Subject matter wherein one of the elements of the coupling
is T-shaped. |
| | |
| 70 | Retainers: |
| | This subclass is indented under subclass 69. Subject matter wherein retaining means is provided to maintain
the "T" element in the hooks. |
| | |
| 71 | Spring: |
| | This subclass is indented under subclass 70. Subject matter wherein such retaining means is in the form
of a spring. |
| | |
| 72 | D-head type: |
| | This subclass is indented under subclass 52. Subject matter wherein one of the elements of the coupling
is D-shaped. |
| | |
| 74 | Retainers: |
| | This subclass is indented under subclass 73. Subject matter wherein retaining means is provided to maintain
the "D" element in the hook. |
| | |
| 75 | Pivoted: |
| | This subclass is indented under subclass 74. Subject matter wherein the retaining means is a pivoted
element. |
| | |
| 76 | Spring: |
| | This subclass is indented under subclass 74. Subject matter wherein the retaining member is a spring. |
| | |
| 77 | Plural part eye: |
| | This subclass is indented under subclass 72. Subject matter wherein one of the elements of the coupling
is a separable eye adapted to clamp the transverse member of the "D". |
| | |
| 80 | Ball and socket: |
| | This subclass is indented under subclass 52. Subject matter wherein one of the coupling elements is a
ball and the other is a socket to receive the ball. |
| | |
| 81 | THILL SUPPORTS: |
| | This subclass is indented under the class definition. Subject matter including devices for supporting the thills
of the vehicle in any position so that the ends are held above the
ground. |
| | |
| 82 | Plural position: |
| | This subclass is indented under subclass 81. Subject matter including means capable of supporting the
thills in a plurality of positions. |
| | |
| 83 | Spring latches: |
| | This subclass is indented under subclass 81. Subject matter wherein the support is a latch moved to engaging
position by a spring. |
| | |
| 84 | Spring: |
| | This subclass is indented under subclass 81. Subject matter wherein the support is a spring which resiliently
supports the thills. |
| | |
| 85 | Separate props: |
| | This subclass is indented under subclass 81. Subject matter including devices separate from the vehicle
or thills adapted to engage the thills and some other part of the
vehicle to prop the thills in raised position. |
| | |
| 86 | POLE SUPPORTS: |
| | This subclass is indented under the class definition. Subject matter including devices for supporting the pole
of the vehicle in any position so that the end of the pole does
not contact with the ground or the animals are relieved of its weight. |
| | |
| 88 | Spring: |
| | This subclass is indented under subclass 86. Subject matter wherein the support is a spring which resiliently
supports the pole. |
| | |
| 89 | Coil: |
| | This subclass is indented under subclass 88. Subject matter wherein the support is a coil spring. |
| | |
| 90 | WHIFFLETREES: |
| | This subclass is indented under the class definition. Subject matter including patents relating to whiffletrees
and to their connections to the pole, thills, or forward part of
a vehicle, unless the invention is such as falls under the definition
of draft equalizers. |
| | |
| 92 | Metallic: |
| | This subclass is indented under subclass 90. Subject matter wherein the whiffletree is made of metal. |
| | |
| 93 | Trussed: |
| | This subclass is indented under subclass 92. Subject matter wherein the whiffletree is of metal and is
provided with a truss brace. |
| | |
| 94 | Trussed: |
| | This subclass is indented under subclass 90. Subject matter wherein the whiffle tree is provided with
a truss brace. |
| | |
| 95 | Connections: |
| | This subclass is indented under subclass 90. Subject matter including the connecting means between the
elements of a whiffletree or between the whiffletree and pole, thill,
or forward part of a vehicle. |
| | |
| 96 | Link or clevis: |
| | This subclass is indented under subclass 95. Subject matter wherein the connecting means is in the form
of a link or clevis. |
| | |
| 96.1 | Resilient: |
| | This subclass is indented under subclass 96. Subject matter wherein the link or clevis is supported resiliently
or consists of resiliently connected parts. |
| | |
| 96.2 | Adjustable draft line: |
| | This subclass is indented under subclass 96. Subject matter wherein the link or clevis is so mounted
or constructed as to permit change in the line of draft relative
to the drawn vehicle. |
| | |
| 97 | Resilient: |
| | This subclass is indented under subclass 95. Subject matter wherein the connecting means is resilient. |
| | |
| 98 | To pole or thills: |
| | This subclass is indented under subclass 97. Subject matter wherein the connection of the whiffletree
to the pole or thills is resilient. |
| | |
| 101 | Offset pivot: |
| | This subclass is indented under subclass 100. Subject matter wherein the pivot-bolt is offset relative
to an element of the whiffletree. |
| | |
| 104 | Clamp: |
| | This subclass is indented under subclass 102. Subject matter including means provided to clamp the end
of the trace. |
| | |
| 106 | Loop retainers: |
| | This subclass is indented under subclass 105. Subject matter wherein the whiffletree is also provided
with retaining means in the form of a loop. |
| | |
| 107 | Hook retainers: |
| | This subclass is indented under subclass 105. Subject matter wherein the whiffletree is provided with
retaining means in the form of a hook. |
| | |
| 111 | Hooks: |
| | This subclass is indented under subclass 102. Subject matter wherein the connecting means is in the form
of a hook. |
| | |
| 118 | TRACE AND THILL OR POLE CONNECTION: |
| | This subclass is indented under the class definition. Subject matter including means for connecting the trace
directly to the pole or thills. |
| | |
| 119 | NECK POLES: |
| | This subclass is indented under the class definition. Subject matter including patents relating to neck yokes. |
| | |
| 124 | With safety devices: |
| | This subclass is indented under subclass 121. Subject matter wherein the neck yoke is provided with means
to prevent accidental detachment of the neck yoke from the pole.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| 51, | for patents for a similar purpose where the neck
yoke is conventional and the structure is a part of the pole. |
|
| | |
| 126 | HOLDBACKS: |
| | This subclass is indented under the class definition. Subject matter including means formed as a part of the thills
or as an attachment to thills for harness connections to prevent
the vehicle overrunning the draft animal.
| | (1)
Note. Neck yokes are equivalent in function where poles are
used. | |
| | |
| 129 | Adjustable: |
| | This subclass is indented under subclass 128. Subject matter wherein the position of the attachment is
adjustable on the thills. |
| | |
| 130 | Automatic release: |
| | This subclass is indented under subclass 128. Subject matter including devices permitting, under proper
conditions, an automatic release of the harness from the attachment. |
| | |
![[Search a list of Patent Appplications for class 278]](../as.gif)
CLASS 278,