1. A track roller assembly, comprising:
a yoke member having a first arm and a second arm spaced apart from the first arm;
an idler wheel rotatably disposed between the first and second arms of the yoke member;
a frame configured to receive at least a portion of the yoke member; and
at least one idler key configured to extend through an opening in the frame and engage a lengthwise slot in at least one of the first and second arms.
2. The track roller assembly of claim 1, wherein:
when the at least one idler key is mounted to the frame in a first orientation, the yoke member is retained in a first position relative to the frame; and
when the at least one idler key is mounted to the frame in a second orientation, the yoke member is retained in a second position relative to the frame.
3. The track roller assembly of claim 2, further including:
a plurality of lower rollers supported by the frame; and
an endless track looped around the idler wheel and the plurality of lower rollers,
wherein reorienting the at least one idler key from the first orientation to the second orientation changes a distance between the idler wheel and the plurality of lower rollers.
4. The track roller assembly of claim 1, wherein:
the at least one idler key includes a flange that mates against an external surface of the frame; and
the track roller assembly further includes a plurality of upper fasteners and a plurality of opposing lower fasteners that retain the flange against the frame.
5. The track roller assembly of claim 4, wherein:
the at least one idler key includes a line of symmetry passing between the pluralities of upper and lower fasteners; and
the line of symmetry is closer to the plurality of upper fasteners than the plurality of lower fasteners.
6. The track roller assembly of claim 5, wherein the line of symmetry is offset from a centerline between the pluralities of upper and lower fasteners by a first amount; and
reorienting the at least one idler key from a first orientation to a second orientation moves the yoke member by a distance about equal to twice the first amount.
7. The track roller assembly of claim 6, wherein the first amount is in a range of about 2-8 mm.
8. The track roller assembly of claim 1, wherein:
the at least one idler key includes a first idler key configured to engage the first arm; and
a second idler key configured to engage the second arm.
9. The track roller assembly of claim 1, wherein:
the first and second arms each include a partial-bore; and
the track roller assembly further includes:
a shaft extending between the partial circumference bores of the first and second arms and configured to support the idler wheel;
a first cap configured to engage the first arm and retain a first end of the shaft; and
a second cap configured to engage the second arm and retain a second end of the shaft.
10. The track roller assembly of claim 9, further including at least one guard located at an end of the frame and configured to substantially enclose the shaft.
11. The track roller assembly of claim 10, wherein the at least one guard includes an opening to provide clearance for an end of at least one of the first and second arms.
12. The track roller assembly of claim 1, wherein engagement surfaces of the lengthwise slot are harder than engagement surfaces of the at least one idler key.
13. The track roller assembly of claim 12, wherein the engagement surfaces of the lengthwise slot are about 40-60% harder than the engagement surfaces of the at least one idler key.
14. The track roller assembly of claim 1, wherein the yoke member is constrained from movement in vertical direction and a transverse direction relative to the frame, and allowed to move in a lengthwise direction of the frame.
15. The track roller assembly of claim 14, further including a biasing member disposed within the frame and configured to bias the yoke member away from the frame in the lengthwise direction.
16. The track roller assembly of claim 1, wherein the at least one idler key extends in a length direction of the slot more than in a width direction of the slot.
17. A track roller assembly, comprising:
a yoke member having a first arm and a second arm spaced apart from the first arm;
an idler wheel rotatably disposed between the first and second arms of the yoke member;
a frame configured to receive at least a portion of the yoke member; and
at least one idler key configured to extend through an opening in the frame and engage the yoke member, wherein:
when the at least one idler key is mounted to the frame in a first orientation, the yoke member is retained in a first position relative to the frame; and
when the at least one idler key is mounted to the frame in a second orientation, the yoke member is retained in a second position relative to the frame.
18. The track roller assembly of claim 17, wherein:
the at least one idler key includes a flange that mates against an external surface of the frame;
the track roller assembly further includes a plurality of upper fasteners and a plurality of opposing lower fasteners that retain the flange against the frame;
the at least one idler key includes a line of symmetry passing between the pluralities of upper and lower fasteners; and
the line of symmetry is closer to the plurality of upper fasteners than the plurality of lower fasteners.
19. The track roller assembly of claim 18, wherein the line of symmetry is offset from a centerline between the pluralities of upper and lower fasteners by a first amount; and
reorienting the at least one idler key from a first orientation to a second orientation moves the yoke member by a distance about equal to twice the first amount.
20. A track type machine, comprising:
a machine frame;
an engine supported by the machine frame;
a sprocket driven by the engine;
a track roller frame pivotally connected at one end to the machine frame;
a plurality of lower rollers connected to a lower side of the track roller frame;
a plurality of upper carriers connected to an upper side of the track roller frame;
a yoke member having a first end disposed at least partially within the track roller frame, and first and second spaced apart arms protruding from a second end;
an idler wheel rotatably disposed between the first and second arms of the yoke member;
an endless track wrapped around the sprocket, the plurality of lower rollers, the plurality of upper carriers, and the idler wheel; and
first and second idler keys configured to extend through openings in opposing sides of the track roller frame to engage lengthwise slots in at the first and second arms,
wherein:
when the first and second idler keys are mounted to the track roller frame in a first orientation, the yoke member is retained in a first position relative to the lower rollers; and
when the first and second idler keys are mounted to the track roller frame in a second orientation, the yoke member is retained in a second position further away from the lower rollers.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A wirelessly controlled pet toy dispenser system with camera, to provide a user with the opportunity to select a pet toy for dispensing and to select the timing of dispensing so as to create elements of surprise in the timing and toy selection for a pet, which comprises:
a. a pet toy main housing having a plurality of compartments, each compartment adapted to hold at least one pet toy for subsequent dispensing, each compartment having a first state, being a pet toy holding state, and having a second state, being a pet toy dispensing state, said pet toy main housing being above a floor and positioned above the reach level of a pet for which it is intended, said dispensing state being a state causing movement of a pet toy from said main housing wherein a selected pet toy is therefore dropped to the floor;
b. a movement mechanism connected to each of said plurality of compartments and adapted to independently move each of said plurality of compartments on separate command signals from said first position to said second position to dispense at least one pet toy;
c. a control mechanism located at said main housing for receiving wireless signals, including at least one unique signal for each of said plurality of compartments to activate said movement mechanism, said control mechanism being functionally connected to said movement mechanism;
d. at least one pet camera located at and connected to said main housing and camera transmission mechanism for wirelessly transmitting a camera picture to a remote user; and,
e. a remote user transmitter and receiver, said transmitter keyed to said control mechanism and adapted to permit a remote user to select a compartment and activate at least one pet toy release at will, said receiver including camera picture screen keyed to said at least one pet camera.
2. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said movement means are selected from the group consisting of (a) a latch opener with a gravity drop door; (b) a tilt mechanism; (c) a push mechanism.
3. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said plurality of compartments is arranged with at least one row or column.
4. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said remote user transmitter and receiver includes a microphone and said pet toy main housing includes a speaker in proximity thereto to enable a user to speak to a pet.
5. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said plurality of compartments is arranged in at least one circle.
6. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said remote user transmitter and receiver is a computer equipped with internet capability and picture viewing.
7. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said remote user transmitter and receiver is a picture cell phone.
8. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said control means is a wireless receiving and transmitting microprocessor.
9. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein said main housing includes wall attachment mechanism for attachment to a wall.
10. The wirelessly controlled pet toy dispenser system with camera of claim 1 wherein each of said plurality of compartments contains at least one pet toy and there are at least two different pet toys within said plurality of compartments.
11. A wirelessly controlled pet toy dispenser system with camera, to provide a user with opportunity to select a pet toy for dispensing and to select the timing of dispensing so as to create elements of surprise in the timing and toy selection for a pet, which comprises:
a. a pet toy main housing having a plurality of compartments, each compartment adapted to hold at least one pet toy for subsequent dispensing, each compartment having a first state, being a pet toy holding state, and having a second state, being a pet toy dispensing state;
b. movement mechanism connected to each of said plurality of compartments and adapted to independently move each of said plurality of compartments on separate command signals from said first position to said second position to dispense at least one pet toy;
c. control mechanism for receiving wireless signals, including at least one unique signal for each of said plurality of compartments to activate said movement mechanism, said control mechanism being functionally connected to said movement mechanism;
d. at least one pet camera connected to said main housing and camera transmission mechanism for wirelessly transmitting a camera picture to a remote user;
e. a remote user transmitter and receiver, said transmitter keyed to said control means and adapted to permit a remote user to select a compartment and activate at least one pet toy release at will, said receiver including camera picture screen keyed to said pet camera; and,
f. at least one display screen, within proximity of said pet toy main housing to enable a pet to see a remote user.
12. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said movement mechanisms are selected from the group consisting of (a) a latch opener with a gravity drop door; (b) a tilt mechanism; (c) a push mechanism.
13. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said plurality of compartments is arranged with at least one row or column.
14. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said remote user transmitter and receiver includes a microphone and said pet toy main housing includes a speaker in proximity thereto to enable a user to speak to a pet.
15. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said plurality of compartments is arranged in at least one circle.
16. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said remote user transmitter and receiver is a computer equipped with internet capability and picture viewing.
17. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said remote user transmitter and receiver is a picture cell phone.
18. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said control means is a wireless receiving and transmitting microprocessor.
19. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein said main housing includes wall attachment mechanism for attachment to a wall.
20. The wirelessly controlled pet toy dispenser with camera of claim 11 wherein each of said plurality of compartments contains at least one pet toy and there are at least two different pet toys within said plurality of compartments.