Composite engine speed control
View Patent ↗A common engine speed control mechanism for small internal combustion engines, which may be configured to allow for actuation of the speed control mechanism between stop, idle, and various engine running speed positions by actuation of one of a selected plurality of speed control levers. Each of the plurality of speed control levers is oriented so that it is movable in a direction which is substantially non-parallel to the direction of movement of the other speed control levers. In one embodiment, the actuation of the common speed control mechanism can be accomplished by movement of a first speed control lever in a substantially horizontal, side-to-side direction or by movement of a second speed control lever in a substantially vertical, up-and-down direction.
1. A speed control assembly for an internal combustion engine, comprising:
a support;
a primary speed control lever pivotally mounted to said support, said primary speed control lever including at least first and second operator control element interfaces; and
an operator control element connected to only one of said operator control element interfaces, said operator control element movable to pivot said primary speed control lever with respect to said support.
2. The speed control assembly of claim 1 , wherein said operator control element comprises a manually actuable knob.
3. The speed control assembly of claim 1 , wherein said operator control element comprises a cable.
4. The speed control assembly of claim 1 , wherein said first operator control element interface comprises an end of said primary speed control lever, said operator control element connected to said end, wherein said operator control element and said primary speed control lever are together movable in substantially the same plane.
5. The speed control assembly of claim 1 , wherein said second operator control element interface comprises a right angle connection, said operator control element connected via said right angle connection to primary said speed control lever wherein said operator control element and said primary speed control lever are movable within substantially perpendicular planes.
6. The speed control assembly of claim 5 , wherein said right angle connection comprises a pin and slot connection.
7. The speed control assembly of claim 5 , wherein said right angle connection comprises a rack and pinion gear mesh.
8. The speed control assembly of claim 1 , wherein said operator control element comprises a secondary speed control lever connected to said primary speed control lever, said secondary speed control lever pivotally mounted to said support for movement within a plane perpendicular to a plane within which said primary speed control lever is movable.
9. A speed control assembly for an internal combustion engine, comprising:
a support;
a primary speed control lever pivotally mounted to said support, said primary speed control lever including at least first and second operator control element interfaces; and
an operator control element connected to one of said operator control element interfaces, said operator control element movable to pivot said primary speed control lever with respect to said support, said operator control element comprising a secondary speed control lever connected to said primary speed control lever, said secondary speed control lever pivotally mounted to said support for movement within a plane perpendicular to a plane within which said primary speed control lever is movable, said secondary speed control lever pivotally mounted to said primary speed control lever via:
a slot formed on one of said secondary control lever and said primary speed control lever; and
a pin formed on the other of said secondary speed control lever and said primary speed control lever, said pin engaged within said slot.
10. A speed control assembly for an internal combustion engine, comprising:
a support;
a primary speed control lever pivotally mounted to said support, said primary speed control lever including at least first and second operator control element interfaces; and
an operator control element connected to one of said operator control element interfaces, said operator control element movable to pivot said primary speed control lever with respect to said support, said operator control element comprising a secondary speed control lever connected to said primary speed control lever, said secondary speed control lever pivotally mounted to said support for movement within a plane perpendicular to a plane within which said primary speed control lever is movable, said secondary speed control lever pivotally mounted to said primary speed control lever via:
a rack attached to one of said secondary speed control lever and said primary speed control lever; and
a pinion attached to the other of said secondary speed control lever and said primary speed control lever, said pinion engaged within said rack.
11. A speed control assembly kit for an internal combustion engine, comprising:
a support;
a primary speed control lever pivotally mounted to said support;
a first operator control element connectable to said primary speed control lever for movement of said first operator control element and said primary speed control lever in a first plane; and
a second operator control element connectable to said primary speed control lever for movement of said second operator control element and said primary speed control lever within a second plane and in said first plane, respectively, said first and second planes disposed at an angle with respect to one another.
12. The speed control assembly kit of claim 11 , wherein said first operator control element comprises a knob connectable to an end of said primary speed control lever.
13. The speed control assembly kit of claim 11 , wherein said first operator control element comprises a cable connectable to an end of said primary speed control lever.
14. The speed control assembly kit of claim 11 , wherein said second operator control element comprises a knob and lever connectable to said primary speed control lever via a right angle connection.
15. The speed control assembly kit of claim 14 , wherein said right angle connection comprises a pin and slot connection.
16. The speed control assembly kit of claim 14 , wherein said right angle connection comprises a rack and pinion gear mesh.
17. The speed control assembly kit of claim 11 , wherein said second operator control element comprises a cable and lever connectable to said primary speed control lever via a right angle connection.
18. In combination:
an internal combustion engine including an engine cover member having an elongated opening therein; and
a speed control assembly, comprising:
a support mounted to said engine;
a primary speed control lever pivotally mounted to said support, said primary speed control lever including at least first and second operator control element interfaces; and
an operator control element connected to at least one of said operator control element interfaces, said operator control element movable to pivot said primary speed control lever with respect to said support, said operator control element extending through, and translatable within, said elongated opening in said engine cover member.
19. The combination of claim 18 , wherein said operator control element comprises one of a manually actuable knob and a cable.
20. The combination of claim 18 , wherein said operator control element comprises a secondary speed control lever connected to said primary speed control lever, said secondary speed control lever pivotally mounted to said support for movement within a plane perpendicular to a plane within which said primary speed control lever is movable.