Control handle for a work vehicle

• US 4,896,558 A
• Filed: 06/01/1988
• Issued: 01/30/1990
• Est. Priority Date: 06/01/1988
• Status: Expired due to Fees

• Current Assignee: Deere & Company
• Original Assignee: Deere & Company
• Inventors: Johnson, Steven H., Meier, Lynn A., Litka, Mark A.
• Primary Examiner(s): Lindsey, Rodney M.
• Application Number:
  US07/200,825
• Time in Patent Office: 608 Days
• Field of Search: 74/543, 74/548, 74/553, 74/523, 200/157, 200/61.85, 200/298, 200/296, 200/522, 16/114 R
• US Class Current: 74/543
• CPC Class Codes: E02F 9/2004 Control mechanisms, e.g. control levers control levers per se G05G
• CPC Class Codes: G05G 1/06 Details of their grip parts G05G1/10 takes precedence
• CPC Class Codes: H01H 2009/068 with switches mounted on a handlebar, e.g. for motorcycles, fork lift trucks, etc.
• CPC Class Codes: H01H 9/06 Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
• CPC Class Codes: Y10T 74/20732 Handles
• CPC Class Codes: Y10T 74/20762 Shaft connections

Abstract

A control handle for an actuating lever having a plurality of electrical control switches mounted thereon. The control handle comprises a housing having a shaft portion and a control face portion that are formed from a switch plate and a back plate that are held together by self-tapping screws. The switch plate is provided with a hexagonal coupling member that is provided with a threaded longitudinal bore for engaging an actuating lever. The back plate is provided with terminal posts that are electrically coupled to a wiring harness extending up through the control handle and the switches. The switches can be mounted in various mounting orientations as desired by the operator.

Claims

1. A control handle, the handle comprising:

a housing being formed from a back plate and a switch plate, the back plate and the switch plate both having internal and external surfaces;

releasable securing means for releasably securing the back plate to the switch plate;

at least one electrical switch mounted in the switch plate, the switch having an operator contact assembly that extends from the switch outwardly from the external surface of the switch plate;

a terminal post integrally formed with the back plate and extending inwardly from the internal surface of the back plate;

switch wires coupling the switch to the terminal post; and

communication wires coupled to the terminal post and extending therefrom for connection to a work assembly, whereby when the releasably securing means in released, the back plate can be removed from the switch plate and the terminal post and switch can be readily accessed for servicing.

2. A control handle as defined by claim 1 wherein the switch plate is provided with a coupling means for coupling the control handle to an actuator lever.

3. A control handle as defined by claim 2 wherein the control handle is provided with at least two terminal posts, the first terminal post being at a different elevation from the second terminal post to reduce interference between the posts.

4. A control handle as defined by claim 3 wherein the means for releasable securing comprises at least one self-tapping screw.

5. A control handle as defined by claim 4 herein at least one self-tapping screw extends through the back plate, through the coupling means and into the switch plate.

6. A control handle as defined by claim 5 wherein the switch plate is provided with positioning towers formed in its internal surface that engage lateral apertures formed in the coupling means.

7. A control handle as defined by claim 6 wherein the coupling means is a metallic elongated member having an internal longitudinal threaded bore for receiving an actuator lever.

8. A control handle as defined by claim 7 wherein the switch is secured to the switch plate by an adjustable mounting means for orienting the operator contact assembly of the switch.

9. A control handle as defined by claim 8 wherein the adjustable mounting means is provided with two preselected mounting orientations.

10. A control handle as defined by claim 9 wherein the two preselected mounting orientations are defined by two grooves formed in the switch plate, a pin is located in one of the grooves and contacts a flat surface formed in the switch thereby selectively orienting the switch in the housing.

11. A control handle as defined by claim 10 wherein the adjustable mounting means is located adjacent to the internal surface of the switch plate so that it can be readily accessed when the back plate is removed from the switch plate.

12. A control handle as defined by claim 11 wherein the switch plate is provided with a shaft portion and a control face portion, the operator contact assembly of the switch extending from the control face portion.

13. A control handle as defined by claim 12 wherein the metallic elongated member is located in the shaft portion.

14. A control handle, the handle comprising:

a housing having a shaft portion and a control face portion;

at least two electrical switches mounted in the control face portion, the switches having an operator contact assembly that extends from the switch outwardly from the control face portion; and

an adjustable mounting means for adjustably orienting the operator contact assembly of the switches, the adjustable mounting means is provided with two preselected mounting orientations, the two preselected mounting orientations are defined by two grooves formed in the switch plate, a pin is located in one of the grooves and contacts a flat surface formed in the switch thereby selectively orienting the switch in the housing.

15. A control handle as defined by claim 14 wherein the housing is formed from a switch plate from which the operator contact assembly extends and a back plate releasably secured to the switch plate by self-tapping screw, the back plate and the switch plate are provided with internal and external surfaces.

16. A control handle as defined by claim 15 wherein the adjustable mounting means is located adjacent to the internal surface of the switch plate so that it can be readily accessed when the back plate is removed from the switch plate.