Rice Transplanter Operator Presence
Publication Date: 2016-Sep-09
The IP.com Prior Art Database
Page 01 of 3
Title: Rice Transplanter Operator Presence
Brief Description of the Drawings: Figure 1 is a schematic plan view of an off‐road vehicle or work machine. Figure 2 shows a flow chart as to one method of operation of the disclosure.
Description: As shown in the attached illustrations and described below, an operator presence arrangement for an off‐road vehicle or work machine that shuts off the vehicle engine in the event of detecting that an operator has exited a defined operator area while in operation, is disclosed.
Figure 1 schematically illustrates an off‐road vehicle or work machine (e.g., a rice transplanter) that has an opening in the railings on the left and right side of machine for operator entry/exit to an operator station. In the example shown, the operator station has a forward area of operation that is primarily used to drive the work vehicle and control certain machine functions (e.g., engage/disengage of planting), and a rearward area of operation that is used for non‐vehicle drive operations, such as loading a planting apparatus. In many instances, there are two operators in the vehicle, with one operator in each of the operation areas. However, with the use of a guidance system there may only need to be one operator in the vehicle. If a single operator performs the non‐vehicle drive operations and also the drive operations, the vehicle can be stopped during the transition of the operator between the operator areas.
As shown in Figure 1, each of the two operator entry/exits has a flexible piece of material (cord, cable etc.) that is attached at one end to an existing rearward rail (or other rearward structure) and has a clip on the opposite end. During machine operation, each clip engages with a corresponding switch that is attached to an existing forward rail (or other forward structure). In this example, disengagement of either of the two clips from its corresponding switch while the vehicle is in operation will cause the vehicle engine to stop.
For example, if the switches are normally closed switches in a rest state, the switches would be wired in an AND configuration or with another suitable logic circuit so both switches would have to be activated (clip inserted) to start the machine, and if one, or both of the clips are removed the engine would shut off immediately. In contrast, if the switches are normally open switches in a rest state, the switches would be wired in an OR configuration or with another suitable logic circuit so that if...