General Dynamics Ordnance and Tactical Systems, Inc.
대리인 / 주소
Ingrassia, Fisher & Lorenz, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
A loading machine for feeding a receiver includes, but is not limited to, a drum cam that is configured to rotate. The drum cam includes, but is not limited to, a first cam path, and a second cam path. A rammer subassembly is positioned proximate the drum cam. The rammer subassembly includes, but is
A loading machine for feeding a receiver includes, but is not limited to, a drum cam that is configured to rotate. The drum cam includes, but is not limited to, a first cam path, and a second cam path. A rammer subassembly is positioned proximate the drum cam. The rammer subassembly includes, but is not limited to, a first member that is configured to engage the first cam path and to move longitudinally with respect to the drum cam upon a rotation of the drum cam, and a second member that is configured to telescopically engage the first member and further configured to engage the second cam path and telescopically move with respect to the first member upon the rotation of the drum cam.
대표청구항▼
1. A loading machine for feeding a receiver, the loading machine comprising: a drum cam configured to rotate, the drum cam comprising: a first cam path extending in a longitudinal direction along a first longitudinal section of the drum cam, anda second cam path extending in a longitudinal direction
1. A loading machine for feeding a receiver, the loading machine comprising: a drum cam configured to rotate, the drum cam comprising: a first cam path extending in a longitudinal direction along a first longitudinal section of the drum cam, anda second cam path extending in a longitudinal direction along a second longitudinal section of the drum cam, the first longitudinal section of the drum cam and the second longitudinal section of the drum cam substantially overlapping; anda rammer subassembly positioned proximate the drum cam, the rammer subassembly comprising: a first member configured to engage the first cam path and move longitudinally with respect to the drum cam upon a rotation of the drum cam, anda second member configured to telescopically engage the first member and further configured to engage the second cam path and telescopically move with respect to the first member upon the rotation of the drum cam,wherein the first cam path is partially open proximate a first longitudinal end of the drum cam to permit the first member to disengage from the first cam path,wherein the second cam path is partially open proximate a second longitudinal end of the drum cam to permit the second member to disengage from the second cam path,wherein the first member is disengaged from the first cam path when the second member telescopically moves, andwherein the second member is disengaged from the second cam path while the first member longitudinally moves with respect to the drum cam. 2. The loading machine of claim 1, wherein the first cam path intersects the second cam path,wherein the first member is configured to avoid engaging the second cam path, andwherein the second member is configured to avoid engaging the first cam path. 3. The loading machine of claim 2, wherein the first cam path has a first width and the second cam path has a second width not equal to the first width. 4. The loading machine of claim 1, further comprising a motor disposed within the drum cam, the motor configured to provide the rotation of the drum cam. 5. A loading machine for feeding a receiver, the loading machine comprising: a drum cam having a surface, a first cam path defined in the surface and a second cam path defined in the surface, the first cam path extending in a longitudinal direction along a first longitudinal section of the drum cam, the second cam path extending in a longitudinal direction along a second longitudinal section of the drum cam, the first longitudinal section of the drum cam and the second longitudinal section of the drum cam substantially overlapping; anda rammer subassembly positioned proximate the drum cam, the rammer subassembly having a first member and a second member that is telescopically engaged with the first member, the first member including a first cam follower configured to engage the first cam path, the first member configured to move longitudinally with respect to the drum cam between a home position and a deployed position under urging by the first cam path acting on the first cam follower when the drum cam rotates, and the second member including a second cam follower configured to engage the second cam path, the second member configured to move longitudinally with respect to the first member between a retracted position and an extended position under urging by the second cam path acting on the second cam follower when the drum cam rotates,wherein rotation of the drum cam causes the rammer subassembly to move between a receiving position wherein the first member is in the home position and the second member is in the retracted position and a loading position wherein the first member is in the deployed position and the second member is in the extended position,wherein the first cam path has a first opening proximate a first longitudinal end of the drum cam to permit the first cam follower to disengage from the first cam path, and wherein the second cam path has a second opening proximate a second longitudinal end of the drum cam to permit the second cam follower to disengage from the second cam path, andwherein the first cam follower is disengaged from the first cam path when the second member extends and retracts, and wherein the second cam follower is disengaged from the second cam path while the first member moves longitudinally back and forth with respect to the drum cam. 6. The loading machine of claim 5, wherein the second member is disposed within the first member, wherein a bottom surface of the first member defines a slot, and wherein the second cam follower protrudes through the slot. 7. The loading machine of claim 5, wherein the first cam path and the second cam path intersect and wherein the first cam follower is configured to avoid traveling along the second cam path and wherein the second cam follower is configured to avoid traveling along the first cam path. 8. The loading machine of claim 7, wherein the first cam path has a first width, the second cam path has a second width, the first cam follower is dimensioned to conform to the first width and the second cam follower is dimensioned to conform to the second width. 9. The loading machine of claim 8, wherein the second cam path is narrower than the first cam path, wherein the second cam path is deeper than the first cam path, and wherein the second cam follower is configured to engage the second cam path at a depth below the first cam path. 10. The loading machine of claim 8, wherein the second cam path is narrower than the first cam path, wherein the second cam follower includes a spanning member that has a length that exceeds the first width, the spanning member configured to extend across a gap in the second cam path at a location where the first cam path and the second cam path intersect. 11. The loading machine of claim 5, wherein the second member includes a blocking member that is configured to move between a blocking position and a recessed position, the blocking member configured to inhibit retraction of the second member with respect to the first member when the blocking member is in the blocking position and the blocking member configured to permit retraction of the second member with respect to the first member when the blocking member is in the recessed position. 12. The loading machine of claim 11, wherein the blocking member is configured to move to the blocking position prior to movement by the first member from the home position and wherein the blocking member is configured to move to the recessed position subsequent to movement by the first member to the home position. 13. The loading machine of claim 5, further comprising a first gate movably connected to the drum cam proximate the first opening and a second gate movably connected to the drum cam proximate the second opening, wherein the first gate is configured to control engagement and disengagement of the first cam follower with the first cam path and wherein the second gate is configured to control engagement and disengagement of the second cam follower with the second cam path. 14. The loading machine of claim 5, further comprising a motor disposed within the drum cam, the motor configured to cause the drum cam to rotate, and the drum cam configured to rotate around the motor. 15. The loading machine of claim 5, wherein the first member is configured to engage with a plurality of guidance members that are configured to support the first member as it moves longitudinally back and forth with respect to the drum cam. 16. A loading machine for feeding a receiver, the loading machine comprising: a drum cam comprising: an outer peripheral surface,a first cam path having a first width defined in the outer peripheral surface, anda second cam path having a second width defined in the outer peripheral surface, the first cam path intersecting the second cam path; anda rammer subassembly positioned proximate the drum cam, the rammer subassembly comprising: a first member configured to move longitudinally with respect to the drum cam between a home position and a deployed position under urging by the first cam path, the first member comprising: a first cam follower dimensioned to conform to the first width and configured to engage the first cam path upon rotation of the drum cam, anda surface defining a slot,a second member disposed within and telescopically engaged with the first member, the second member configured to move longitudinally with respect to the first member between a retracted position and an extended position, the second member comprising: a second cam follower configured to engage the second cam path and dimensioned to conform to the second width, the second cam follower protruding through the slot and engaging the second cam path upon the rotation of the drum cam, anda blocking member configured to: move between a blocking position and a recessed position,inhibit retraction of the second member with respect to the first member when the blocking member is in the blocking position,permit retraction of the second member with respect to the first member when the blocking member is in the recessed position,move to the blocking position prior to substantial movement by the first member from the home position,move to the recessed position subsequent to movement by the first member to the home position,wherein the rotation of the drum cam is configured to move the rammer subassembly between a receiving position and a loading position, andwherein the receiving position comprises the first member in the home position and the second member in the retracted position and the loading position comprises the first member in the deployed position and the second member in the extended position.
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