1. A method for effectively utilizing a shared backhaul link connected to a wireless base station servicing a plurality of operators comprising first and second operators, said method comprising:
receiving, by the wireless base station, from first and second core network data sources belonging to the first and second operators, first and second sets of data respectively, via the shared backhaul link connected to the wireless base station;
conveying wirelessly, by the wireless base station, the first and second sets of data, to first and second sets of subscriber stations associated with the first and second operators, at first and a second wireless data rates respectively; and
controlling the first wireless data rate such that the first and second sets of data received via the shared backhaul link together do not substantially exceed a predetermined backhaul data rate, and
wherein the controlling is done by limiting the number of subscriber stations in the first set of subscriber stations.
2. The method of claim 1, wherein the sets of data are packetized, and the controlling is done by the wireless base station using packet shaping techniques.
3. The method of claim 1, wherein the controlling is done by limiting the rate at which at least one of the subscriber stations in the first set of subscriber stations communicates data with the wireless base station.
4. The method of claim 1, wherein the controlling is done by limiting the rate at which at least one of the subscriber stations in the first set of subscriber stations communicates data with the wireless base station.
5. A method for effectively sharing a backhaul link between at least two radio access networks belonging to different operators comprising first operator and second operators, said method comprising:
receiving, by a first radio access network belonging to the first operator, a first backhaul transmission intended for a first set of subscriber stations serviced by the first radio access network, via the shared backhaul link,
wherein the shared backhaul link transports the first backhaul transmission together with at least a second backhaul transmission intended for a second set of subscriber stations serviced by a second radio access network;
controlling the rate at which the first backhaul transmission is received, such that the first and second backhaul transmissions via the shared backhaul link together do not substantially exceed a predetermined backhaul data rate; and
wherein the first backhaul transmission is transported from a first core network data source belonging to the first operator to the first radio access network using a first network tunnel passing through the shared backhaul link.
6. The method of claim 5, wherein the controlling is done by the first radio access network.
7. The method of claim 5, wherein the first radio access network is connected to the shared backhaul link via a first data link, and the second radio access network is connected to the shared backhaul link via a second data link.
8. The method of claim 5, wherein the first radio access network and the second radio access network are generated by a single wireless base station.
9. The method of claim 8, wherein the shared backhaul link is directly connected to the wireless base station.
10. The method of claim 5, further comprising: increasing the rate at which the first backhaul transmission is received at the expense of the rate at which the second backhaul transmission is received, such that the first and second backhaul transmissions via the shared backhaul link together still do not substantially exceed the predetermined backhaul data rate.
11. The method of claim 5, wherein the controlling is done using packet shaping techniques.
12. The method of claim 11, wherein the packet shaping techniques are applied by one of
(1) the wireless base station, or
(2) the first radio access network.
13. The method of claim 5, further comprising: indicating, to the first radio access network, utilization levels of the shared backhaul link; and controlling the rate at which the first backhaul transmission is received according to the indication.
14. A method for effectively utilizing a shared backhaul link connected to a wireless base station servicing a plurality of operators comprising first and second operators, said method comprising:
receiving, by the wireless base station, from first and second core network data sources belonging to the first and second operators, first and second sets of data respectively, via the shared backhaul link connected to the wireless base station;
conveying wirelessly, by the wireless base station, the first and second sets of data, to first and second sets of subscriber stations associated with the first and second operators, at first and second wireless data rates respectively;
controlling the first wireless data rate such that the first and second sets of data received via the shared backhaul link together do not substantially exceed a predetermined backhaul data rate;
limiting the first wireless data rate to a predetermined level that is lower than the predetermined backhaul data rate; and
increasing the predetermined level of the first wireless data rate if such predetermined level and the second wireless data rate together do not exceed the predetermined backhaul data rate.
15. The method of claim 14, wherein the sets of data are packetized, and the controlling is done by the wireless base station using packet shaping techniques.
16. A method for effectively utilizing a shared backhaul link connected to a wireless base station servicing a plurality of operators comprising first and second operators, said method comprising:
receiving, by the wireless base station, from first and second core network data sources belonging to the first and second operators, first and second sets of data respectively, via the shared backhaul link connected to the wireless base station;
conveying wirelessly, by the wireless base station, the first and second sets of data, to first and second sets of subscriber stations associated with the first and second operators, at first and second wireless data rates respectively;
controlling the first wireless data rate such that the first and second sets of data received via the shared backhaul link together do not substantially exceed a predetermined backhaul data rate;
transporting the first set of data from the first core network data source to the wireless base station via a first network tunnel extending from the first core network data source to the wireless base station;
transporting the second set of data from the second core network data source to the wireless base station via a second network tunnel extending from the second core network data source to the wireless base station; and
wherein both the first and the second network tunnels are transported, at least in part, over the shared backhaul link.
17. A method for effectively utilizing a shared backhaul link connected to a wireless base station servicing a plurality of operators comprising first and second operators, said method comprising:
receiving, by the wireless base station, from first and second core network data sources belonging to the first and second operators, first and second sets of data respectively, via the shared backhaul link connected to the wireless base station;
conveying wirelessly, by the wireless base station, the first and second sets of data, to first and second sets of subscriber stations associated with the first and second operators, at first and second wireless data rates respectively;
controlling the first wireless data rate such that the first and second sets of data received via the shared backhaul link together do not substantially exceed a predetermined backhaul data rate;
tracking a first rate at which the first set of data is received by the wireless base station; and
billing the first operator according to the tracking.
18. The method of claim 17, further comprising: tracking a second rate at which the second set of data is received by the wireless base station; and billing the second operator according to the tracking.
19. A method for effectively utilizing a shared backhaul link connected to a wireless base station servicing a plurality of operators comprising first and second operators, said method comprising:
receiving, by the wireless base station, from first and second core network data sources belonging to the first and second operators, first and second sets of data respectively, via the shared backhaul link connected to the wireless base station;
conveying wirelessly, by the wireless base station, first and second sets of data, to first and second sets of subscriber stations associated with the first and second operators, at first and second wireless data rates respectively;
controlling the first wireless data rate such that the first and second sets of data received via the shared backhaul link together substantially do not exceed a predetermined backhaul data rate;
controlling the second wireless data rate such that the first and second sets of data received via the shared backhaul link together do not substantially exceed a predetermined backhaul data rate; and
increasing the first wireless data rate at the expense of the second data rate, such that the first and second sets of data received via the shared backhaul link together still do not substantially exceed the predetermined backhaul data rate.
20. The method of claim 19, wherein the sets of data are packetized, and the controlling is done by the wireless base station using packet shaping techniques.
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 trigger assembly for a firearm, comprising:
a sear biased into a path of and engageable with a cocking-piece of the firearm at a cocking-piecesear interface to maintain the cocking-piece in a cocked position, the sear being pivotable about a sear pivot to selectively release the cocking-piece from the cocked position; and
a trigger mounted to a trigger body, the trigger being pivotable about a trigger pivot in a first stage of movement from a first position to a second position, wherein in the first position the trigger engages the sear at a triggersear engagement that defines a first length of engagement of the sear on the trigger and in the second position the trigger contacts a spring member while engaged with the sear at the triggersear engagement to define a second length of engagement of the sear on the trigger that is less than the first length of engagement, wherein the trigger is further movable in a second stage of movement from the second position against the spring member to disengage the trigger from the sear and allow the sear to pivot about the sear pivot to disengage the sear from the cocking-piece and release the cocking-piece.
2. The trigger assembly of claim 1, wherein the sear is non-reciprocating relative to the sear pivot.
3. The trigger assembly of claim 1, wherein the sear reciprocates relative to the sear pivot when disengaged from the trigger.
4. The trigger assembly of claim 3, wherein the sear includes a slot at the sear pivot and the sear is reciprocable relative to the sear pivot along the slot.
5. The trigger assembly of claim 4, wherein the slot defines a first gap with the sear pivot at a first side of the slot when the sear is engaged to the cocking-piece and the slot defines a second gap with the sear pivot at a second side of the slot when the sear is disengaged with the cocking-piece.
6. The trigger assembly of claim 5, further comprising a sear spring connected to the sear to bias the sear toward the cocking-piece when in the cocked position.
7. The trigger assembly of claim 1, wherein the trigger defines a trigger arc and the sear defines a sear arc, and the triggersear engagement is created by frictional engagement between the trigger and the sear along the trigger arc and the sear arc.
8. The trigger assembly of claim 7, wherein the trigger arc and the sear arc slide on one another during the first stage of movement.
9. The trigger assembly of claim 7, wherein the first bearing area is defined by contact between the trigger and the sear along the trigger arc and the sear arc.
10. The trigger assembly of claim 1, further comprising a sear spring urging the sear upward and rearward into the path of the cocking-piecesear interface when the cocking-piece is in the cocked position.
11. The trigger assembly of claim 1, wherein the spring member includes a spring plunger that is adjustable to adjust a trigger pull distance for the second stage of movement.
12. The trigger assembly of claim 1, further comprising a trigger spring biasing the trigger into engagement with the sear at the triggersear engagement during the first stage of movement.
13. The trigger assembly of claim 12, further comprising an adjusting screw engaged to the trigger body, wherein the trigger spring is adjustable with the adjusting screw to increase or decrease a trigger pull weight of the trigger during the first stage of movement.
14. The trigger assembly of claim 13, wherein the trigger spring is engaged to the trigger with a ball bearing and the trigger slides against the ball bearing during the first stage of movement and the second stage of movement.
15. The trigger assembly of claim 14, wherein the adjusting screw and the ball bearing are configured to center the trigger spring in a spring pocket of the trigger body.
16. The trigger assembly of claim 1, further comprising a safety selector including a knob and a safety shoe spaced from the knob, wherein the safety selector is rotatable relative to the trigger from a fire position permitting pivoting of the trigger to a safe position where the safety shoe positively engages the trigger while the trigger is in the first position in engagement with the sear, the safe position thereby preventing the sear from disengaging from the cocking-piece.
17. The trigger assembly of claim 1, wherein the trigger moves relative to the sear during the first stage of movement and the sear remains fixed relative to the cocking-piece during the first stage of movement.
18. A trigger assembly for a firearm, comprising:
a sear engageable with a cocking-piece of the firearm at a cocking-piecesear interface to maintain the cocking-piece in a cocked position, the sear being pivotable about a sear pivot to selectively disengage the sear from the cocking-piece;
a sear spring urging the sear into a path of the cocking-piecesear interface; and
a trigger mounted to a trigger body, the trigger being pivotable about a trigger pivot in response to a first pull weight for a first stage of movement during which the trigger engages the sear at a triggersear engagement so that the sear maintains the cocking-piece in the cocked position, the trigger further being pivotable about the trigger pivot in response to a second pull weight for a second stage of movement to disengage the trigger from the sear which allows the sear to pivot about the sear pivot and disengage from the cocking-piece to release the cocking-piece, wherein the trigger moves relative to the sear during the first stage of movement and the sear remains fixed relative to the cocking-piece during the first stage of movement.
19. The trigger assembly of claim 18, wherein the first stage of movement ends when the trigger contacts a spring member while the trigger is engaged with the sear at the triggersear engagement with a second bearing area that is less than the first bearing area.
20. The trigger assembly of claim 19, wherein the trigger is movable during the second stage of movement to compress the spring member to disengage the trigger from the sear.
21. The trigger assembly of claim 18, wherein the second pull weight is greater than the first pull weight.
22. The trigger assembly of claim 18, wherein the second pull weight is negligible relative to the first pull weight.
23. A trigger assembly, comprising:
a two-stage trigger pivotably mounted to a trigger body, the trigger being pivotable about a trigger pivot in a first stage of movement from a first position to a second position while the trigger is engaged with a sear that is engaged to a cocking-piece in a cocked position, the trigger further being pivotable in a second stage of movement requiring a greater pull weight than the first stage of movement, the second stage of movement beginning from the second position and continuing to disengage the trigger from the sear which disengages the sear from the cocking-piece, wherein a pull weight of the first stage of movement is adjustable by manipulating a trigger spring that adjustably biases the trigger relative to the trigger body.
24. The trigger assembly of claim 23, wherein the trigger body defines a spring pocket for retaining the trigger spring, and further comprising an adjusting screw engaged to the trigger body that is configured to adjust the pull weight.
25. The trigger assembly of claim 24, wherein the trigger spring is engaged to the trigger with a ball bearing.
26. The trigger assembly of claim 25, wherein the adjusting screw and the ball bearing are configured to center the trigger spring in a spring pocket of the trigger body.
27. A safety and trigger assembly for a firearm, comprising:
a two-stage trigger pivotably mounted to a trigger body, the trigger being pivotable about a trigger pivot in a first stage of movement to move the trigger relative to a sear while the trigger is engaged with the sear, wherein with the sear engaged to a cocked cocking-piece the sear remains stationary relative to the cocked cocking-piece during the first stage of movement, the trigger further being pivotable in a second stage of movement from an end of the first stage of movement, the second stage of movement requiring a greater pull weight than the first stage of movement, wherein in the second stage of movement the trigger is disengaged from the sear to disengage the sear from the cocking-piece; and
a safety selector including a knob and a safety shoe spaced from the knob, wherein the safety selector is rotatable relative to the trigger from a fire position to a safe position, the fire position permitting pivoting of the trigger about the trigger pivot during the first stage of movement, and in the safe position the safety shoe positively engages the trigger to prevent the trigger from moving to execute the first stage of movement, thereby preventing the sear from disengaging from the cocking-piece.
28. A firearm assembly, comprising:
a cocking-piece biased for movement in a first direction during firing of the firearm;
a trigger assembly including a sear and a trigger, the trigger assembly being mounted to the firearm at a first pin location;
the sear being engageable with the cocking-piece at a cocking-piecesear interface to maintain the cocking-piece in a cocked position, the sear further being pivotable about a sear pivot to selectively disengage the sear from the cocking-piece, wherein relative to the first direction the sear pivot is spaced downwardly from the first pin location; and
the trigger being mounted to a trigger body, the trigger being pivotable about a trigger pivot while the trigger engages the sear at a triggersear engagement so that the sear maintains the cocking-piece in the cocked position, the trigger further being pivotable about the trigger pivot to disengage the trigger from the sear which allows the sear to pivot about the sear pivot and disengage from the cocking-piece to release the cocking-piece from the cocked position.