Claims
- 1. A powered cultivating tool or the like comprising, in combination:
- a housing having a top portion including a handle supported thereon, said housing defining an enclosure within a topmost portion of which a prime mover is disposed,
- ventilation means for said prime mover,
- an output shaft extending from said prime mover without said housing,
- a pinion fixed to said output shaft and an axle having opposite extremities with a gear carried on one of said extremities, said gear being adapted to mesh with said pinion, said axle supported on bearings within said housing and being vertically below and parallel to said prime mover's output shaft and having both said extremities extending without said housing,
- a roller on said gear, axially offset from said axle defining a first cam,
- a spindle means vertically below and parallel to said axle disposed in said housing supported on bearings and having terminal portions extending outwardly from said housing,
- a first cam follower fixed on said spindle means having an upwardly open U-shaped bifurcated portion straddling said roller,
- and a cultivating tine fixed to said cam follower and said spindle for pendulum like oscillation in response to movement .Iadd.of .Iaddend.said roller through said prime mover.
- 2. The device of claim 1 wherein said axle's other extremity is connected to a hubbed disc provided with a second roller thereon which is offset from a center line of said axle thereby providing a second eccentric cam, and a second cam follower straddling said second roller.
- 3. The device of claim 2 wherein said first and second cam followers move about a common axis and includes said spindle means affixed to a respective one of said cam followers at opposed extremities of said spindle means, said spindle means constrained from axial displacement.
- 4. A device of claim 3 wherein said spindle means are constrained from axial translation by grooves on said spindle means and lock rings in said grooves adapted to abut against bushings.
- 5. The device of claim 4 wherein said tine has a first and a second upper portion, each said portion connected to said spindle means, said first and second rollers aligned to travel together, said spindle means formed as one piece.
- 6. The device of claim 4 including a second tine fastened to said second follower, said first and second rollers are aligned 180.degree. out of phase, said spindle means formed as two pieces.
- 7. The device of claim 5 or 6 wherein said housing is formed from spaced walls interconnected by a threaded bolt, a bottom shroud communicating with said spaced walls and protecting the interior of said housing and a removable top plate connected to said side walls, said top plate supporting said handle and providing access to the interior of said housing .Iadd.
- 8. A powered cultivating tool or the like comprising, in combination:
- a casing having a ground end and an opposed end, said ground end being adapted to be the end nearer to the ground to be worked by the tool and said opposed end being adapted to be the end more distant from the ground to be worked by the tool, said casing defining an enclosure within which a prime mover is disposed,
- ventilation means for said prime mover,
- an output shaft extending from said prime mover without said casing,
- a pinion fixed to said output shaft and an axle having opposite extremities with a gear carried on one of said extremities, said gear being adapted to mesh with said pinion, said axle being supported on bearings within said casing, being parallel to said prime mover's output shaft, being disposed toward said ground end of said casing from said output shaft and having both said extremities extending without said casing,
- a roller on said gear, axially offset from said axle, defining a first cam,
- a spindle means supported within said casing, said spindle means being parallel to said axle, being disposed toward said ground end of said casing from said axle and having terminal portions extending without said casing,
- a cam follower on said spindle means having a bifurcated portion straddling said roller, and
- a cultivating tine fixed to said cam follower for pendulum like oscillation in response to movement of said roller through said prime mover. .Iaddend. .Iadd.
- 9. The device of claim 8 wherein said spindle means is mounted to be rotatable. .Iaddend. .Iadd.10. The device of claim 8 wherein said spindle means includes first and second spindle members. .Iaddend. .Iadd.11. A powered cultivating tool or the like comprising, in combination:
- a casing having a ground end and an opposed end, said ground end being adapted to be the end nearer to the ground to be worked by the tool and said opposed end being adapted to be the end more distant from the ground to be worked by the tool, said casing defining an enclosure within which a prime mover is disposed,
- an output shaft extending from said prime mover,
- an axle with a gear carried on said axle operatively connected to said output shaft to rotate said axle, said axle being supported on bearings within said casing, being parallel to said prime mover's output shaft and being disposed toward said ground end of said casing from said output shaft,
- a roller mounted to move with said rotation of said axle, axially offset from said axle, defining a cam,
- a spindle means supported within said casing, said spindle means being parallel to said axle and being disposed toward said ground end of said casing from said axle,
- a cam follower on said spindle means having a bifurcated portion straddling said roller, said bifurcated portion having an elongated opening for said movement of said roller along said cam follower, and
- a cultivating tine fixed to said cam follower for pendulum like oscillation in response to said movement of said roller through said prime mover.
- .Iaddend. .Iadd.12. The device of claim 11 wherein said spindle means is mounted to be rotatable. .Iaddend. .Iadd.13. The device of claim 11 wherein said spindle means includes first and second spindle members.
- .Iaddend. .Iadd.14. A powered cultivating tool or the like, comprising in combination:
- a housing having a ground end and an opposed end, said ground end being adapted to be the end nearer to the ground to be worked by the tool and said opposed end being adapted to be the end more distant from the ground to be worked by the tool,
- a prime mover having an output shaft,
- an axle,
- a gear carried on said axle operatively connected to said output shaft to rotate said axle,
- a pin member mounted to move with said rotation of said axle, axially offset from said axle, defining a cam,
- a spindle means parallel to said axle and disposed toward said ground end of said housing from said axle,
- a cam follower having a bifurcated portion straddling said pin member and being mounted to swing from said spindle means with said movement of said pin member, and
- a cultivating tine for fixing to said cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said pin member,
- said tine comprising a first elongated portion to extend from the vicinity of said ground end of said housing toward the ground, a second elongated portion angularly disposed with respect to said first portion to extend inwardly and toward the ground to be worked by the tool, and a third elongated portion angularly disposed with respect to said second portion to extend inwardly and toward said ground end of said housing. .Iaddend.
- .Iadd.15. The device of claim 14 wherein said spindle means is mounted to
- be rotatable. .Iaddend. .Iadd.16. The device of claim 14 further comprising:
- a second pin member mounted to move with said rotation of said axle, axially offset from said axle 180.degree. out of phase with said first pin member, defining a second cam,
- a second cam follower having a bifurcated portion straddling said second pin member and being mounted to swing from said spindle means with said movement of said second pin member, and
- a second cultivating tine for fixing to said second cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said second pin member 180.degree. out of phase with said first tine.
- .Iaddend. .Iadd.17. The device of claim 16 wherein said spindle means includes first and second spindle members, said first cam follower and said first tine to swing from said first spindle member and said second cam follower and said second tine to swing from said second spindle
- member. .Iaddend. .Iadd.18. The device of claim 14 wherein:
- said housing defines an enclosure within which said prime mover is disposed,
- said axle is supported within said housing, parallel to said prime mover's output shaft, and disposed toward said ground end of said housing from said output shaft, and
- said spindle means is supported within said housing. .Iaddend. .Iadd.19. A powered cultivating tool or the like, comprising in combination:
- a housing having a ground end and an opposed end, said ground end being adapted to be the end nearer to the ground to be worked by the tool and said opposed end being adapted to be the end more distant from the ground to be worked by the tool,
- a prime mover having an output shaft,
- an axle,
- a gear carried on said axle operatively connected to said output shaft to rotate said axle,
- a pin member mounted to move with said rotation of said axle, axially offset from said axle, defining a cam,
- a spindle means parallel to said axle and disposed toward said ground end of said housing from said axle,
- a cam follower having a bifurcated portion straddling said pin member and being mounted to swing from said spindle means with said movement of said pin member, said bifurcated portion having an elongated opening for said movement of said pin member along said cam follower, and
- a cultivating tine for fixing to said cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said pin member. .Iaddend. .Iadd.20. The device of claim 19 further comprising:
- a second pin member mounted to move with said rotation of said axle, axially offset from said axle substantially out of phase with said first pin member, defining a second cam,
- a second cam follower having a bifurcated portion straddling said second pin member and being mounted to swing from said spindle means with said movement of said second pin member, said bifurcated portion having an elongated opening for said movement of said second pin member along said second cam follower, and
- a second cultivating tine for fixing to said second cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said second pin member substantially out of phase with said first tine. .Iaddend. .Iadd.21. The device of claim 19 further comprising:
- a second pin member mounted to move with said rotation of said axle, axially offset from said axle 180.degree. out of phase with said first pin member, defining a second cam,
- a second cam follower having a bifurcated portion straddling said second pin member and being mounted to swing from said spindle means with said movement of said second pin member, said bifurcated portion having an elongated opening for said movement of said second pin member along said second cam follower, and
- a second cultivating tine for fixing to said second cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said second pin member 180.degree. out of phase with said first tine.
- .Iaddend. .Iadd.22. The device of claim 19 wherein said tine comprises a first elongated portion to extend from the vicinity of said ground end of said housing toward the ground and a second elongated portion angularly disposed with respect to said first portion to extend inwardly and toward the ground to be worked by the tool. .Iaddend. .Iadd.23. The device of claim 22 further comprising:
- a second pin member mounted to move with said rotation of said axle, axially offset from said axle substantially out of phase with said first pin member, defining a second cam,
- a second cam follower having a bifurcated portion straddling said second pin member and being mounted to swing from said spindle means with said movement of said second pin member, said bifurcated portion having an elongated opening for said movement of said second pin member along said second cam follower, and
- a second cultivating tine for fixing to said second cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said second pin member substantially out of phase with said first tine,
- said second tine comprising a first elongated portion to extend from the vicinity of said ground end of said housing toward the ground and a second elongated portion angularly disposed with respect to said first portion to extend inwardly and toward the ground to be worked by the tool. .Iaddend.
- .Iadd.24. The device of claim 22 further comprising:
- a second pin member mounted to move with said rotation of said axle, axially offset from said axle 180.degree. out of phase with said first pin member, defining a second cam,
- a second cam follower having a bifurcated portion straddling said second pin member and being mounted to swing from said spindle means with said movement of said second pin member, said bifurcated portion defining an elongated opening for said movement of said second pin member along said second cam follower, and
- a second cultivating tine for fixing to said second cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said second pin member 180.degree. out of phase with said first tine,
- said second tine comprising a first elongated portion to extend from the vicinity of said ground end of said housing toward the ground and a second elongated portion angularly disposed with respect to said first portion to extend inwardly and toward the ground to be worked by the tool. .Iaddend. .Iadd.25. The device of claim 19 wherein:
- said housing defines an enclosure within which said prime mover is disposed,
- said axle is supported within said housing, parallel to said prime mover's output shaft, and disposed toward said ground end of said housing from said output shaft, and
- said spindle means is supported within said housing. .Iaddend. .Iadd.26. A powered cultivating tool or the like, comprising in combination:
- a housing having a ground end and an opposed end, said ground end being adapted to be the end nearer to the ground to be worked by the tool and said opposed end being adapted to be the end more distant from the ground to be worked by the tool,
- a prime mover having an output shaft,
- an axle,
- a gear carried on said axle operatively connected to said output shaft to rotate said axle,
- a pin member mounted to move with said rotation of said axle, axially offset from said axle, defining a cam,
- a spindle means parallel to said axle and disposed toward said ground end of said housing from said axle,
- a cam follower having a bifurcated portion straddling said pin member and being mounted to swing from said spindle means with said movement of said pin member, said bifurcated portion having an elongated opening for said movement of said pin member along said cam follower, and
- a cultivating tine for fixing to said cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said pin member, said tine being shaped to extend, during said swinging, under said housing. .Iaddend. .Iadd.27. The device of claim 26 wherein the tine comprises a first elongated portion to extend from the vicinity of said ground end of said housing toward the ground and a second elongated portion angularly disposed with respect to said first portion to extend inwardly toward the ground to be worked by the tool, and to extend, during said swinging under said housing. .Iaddend. .Iadd.28. The device of claim 27 further comprising:
- a second pin member mounted to move with said rotation of said axle, axially offset from said axle substantially out of phase with said first pin member, defining a second cam,
- a second cam follower having a bifurcated portion straddling said second pin member and being mounted to swing from said spindle means with said movement of said second pin member, and
- a second cultivating tine for fixing to said second cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said second pin member substantially out of phase with said first tine, said second tine being shaped to extend, during said swinging, under said housing,
- said second tine comprising a first elongated portion to extend from the vicinity of said ground end of said housing toward the ground and a second elongated portion angularly disposed with respect to said first portion to extend inwardly toward the ground to be worked by the tool, and to extend,
- during said swinging, under said housing. .Iaddend. .Iadd.29. The device of claim 27 further comprising:
- a second pin member mounted to move with said rotation of said axle, axially offset from said axle 180.degree. out of phase with said first pin member, defining a second cam,
- a second cam follower having a bifurcated portion straddling said second pin member and being mounted to swing from said spindle means with said movement of said second pin member, and
- a second cultivating tine for fixing to said second cam follower to swing from said spindle means in a pendulum like oscillation with said movement of said second pin member 180.degree. out of phase with said first tine, said second tine being shaped to extend, during said swinging, under said housing,
- said second tine comprising a first elongated portion to extend from the vicinity of said ground end of said housing toward the ground and a second elongated portion angularly disposed with respect to said first portion to extend inwardly toward the ground to be worked by the tool, and to extend,
- during said swinging, under said housing. .Iaddend. .Iadd.30. The device of claim 26 wherein:
- said housing defines an enclosure within which said primer mover is disposed,
- said axle is supported within said housing, parallel to said prime mover's output shaft, and disposed toward said ground end of said housing from said output shaft, and
- said spindle means is supported within said housing. .Iaddend.
Parent Case Info
.Iadd.This is a continuation of co-pending application Ser. No. 06/848,836, filed on Apr. 2, 1986, which is a continuation of application Ser. No. 06/607,104, filed May 3, 1984, both now abandoned. .Iaddend.
US Referenced Citations (15)
Foreign Referenced Citations (6)
Number |
Date |
Country |
35065 |
May 1973 |
AUX |
7413152 |
Apr 1975 |
NLX |
607063 |
Aug 1948 |
GBX |
653985 |
May 1951 |
GBX |
800090 |
Aug 1958 |
GBX |
828722 |
Feb 1960 |
GBX |
Non-Patent Literature Citations (2)
Entry |
The Green Machine.RTM., "Panther Expand-It System 2810" Sales Brochure, Hawaiian Motor Co., Jun. 1988. |
Popular Science, "Electric Cultivator for Gardens", p. 24, Mar. 1983. |
Continuations (2)
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Number |
Date |
Country |
Parent |
848836 |
Apr 1986 |
|
Parent |
607104 |
May 1984 |
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Reissues (1)
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Number |
Date |
Country |
Parent |
229925 |
Jan 1981 |
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