1. A crop harvesting header for a combine harvester comprising:
a main frame structure extending across between two ends of the header across a width of the header for movement in a direction generally at right angles to the width across ground including a crop to be harvested;
a mounting assembly for attachment to a feeder house of the combine harvester for carrying the main frame structure on the combine harvester;
a crop receiving table carried on the main frame structure across the width of the header;
a cutter bar across a front of the table carrying a cutter knife operable for cutting the crop as the header is moved forwardly across the ground for depositing the crop onto the table;
and a crop transport system for moving the cut crop toward a discharge location of the header for feeding the crop into a feed opening of the combine harvester;
the crop transport system including:
a first side draper having an outer end guide roller at a first end of the header, an inner end guide roller adjacent the discharge location and a continuous draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a second side draper having an outer end guide roller at a second end of the header, an inner end guide roller adjacent the discharge location and a continuous draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a feed draper located at the discharge location and including a front guide roller adjacent the cutter bar, a rear guide roller behind the front guide roller and a draper canvas wrapped around the front and rear guide rollers to define a top run of the feed draper for receiving the crop material from the discharge ends of the first and second side drapers and for carrying the crop material rearwardly toward the feed opening of the combine harvester; and
a pan member underlying the feed draper and having a front edge adjacent the front guide roller of the feed draper;
the pan member being formed of a flexible material;
the front edge of the pan member being carried on a spring coupling arrangement which allows upward and downward flexing movement of the front edge of the pan member relative to the front guide roller.
2. The header according to claim 1 wherein the pan member is formed of a sheet of a flexible plastics material.
3. A crop harvesting header for a combine harvester comprising:
a main frame structure extending across between two ends of the header across a width of the header for movement in a direction generally at right angles to the width across ground including a crop to be harvested;
a mounting assembly for attachment to a feeder house of the combine harvester for carrying the main frame structure on the combine harvester;
a crop receiving table carried on the main frame structure across the width of the header:
a cutter bar across a front of the table carrying a cutter knife operable for cutting the crop as the header is moved forwardly across the ground for depositing the crop onto the table;
and a crop transport system for moving the cut crop toward a discharge location of the header for feeding the crop into a feed opening of the combine harvester;
the crop transport system including:
a first side draper having an outer end guide roller at a first end of the header, an inner end guide roller adjacent the discharge location and a draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a second side draper having an outer end guide roller at a second end of the header, an inner end guide roller adjacent the discharge location and a draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a feed draper located at the discharge location and including a front guide roller adjacent the cutter bar, a rear guide roller behind the front guide roller and a draper canvas wrapped around the front and rear guide rollers to define a top run of the feed draper for receiving the crop material from the discharge ends of the first and second side drapers and for carrying the crop material rearwardly toward the feed opening of the combine harvester; and
a pan member underlying the feed draper and having a front edge adjacent the front guide roller of the feed draper;
the pan member being formed of a flexible material;
the front edge of the pan member being carried on a spring coupling arrangement which at lows upward and downward flexing movement of the front edge of the pan member relative to the front guide roller;
wherein the spring coupling arrangement has a first spring member at a first side of the front edge and a second spring member at a second side of the front edge.
4. The header according to claim 3 wherein the first spring member and the second spring member allow independent upward and downward movement of the sides of the front edge.
5. The header according to claim 3 wherein each spring member comprises a spring rod.
6. The header according to claim 5 wherein the spring rod is arranged such that a flexible portion thereof extends along the side of the pan member coupled at a front end of the rod to a frame member forwardly of the front edge and at a rear end to the front edge.
7. The header according to claim 6 wherein the spring rod includes at the front end an out-turned portion connected to the frame member and at the rear end an in-turned portion connected to the front edge.
8. A crop harvesting header for a combine harvester comprising:
a main frame structure extending across between two ends of the header across a width of the header for movement in a direction generally at right angles to the width across ground including a crop to be harvested;
a mounting assembly for attachment to a feeder house of the combine harvester for carrying the main frame structure on the combine harvester;
a crop receiving table carried on the main frame structure across the width of the header;
a cutter bar across a front of the table carrying a cutter knife operable for cutting the crop as the header is moved forwardly across the ground for depositing the crop onto the table;
and a crop transport system for moving the cut crop toward a discharge location of the header for feeding the crop into a feed opening of the combine harvester;
the crop transport system including:
a first side draper having an outer end guide roller at a first end of the header, an inner end guide roller adjacent the discharge location and a draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a second side draper having an outer end guide roller at a second end of the header, an inner end guide roller adjacent the discharge location and a draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a feed draper located at the discharge location and including a front guide roller adjacent the cutter bar, a rear guide roller behind the front guide roller and a draper canvas wrapped around the front and rear guide rollers to define a top run of the feed draper for receiving the crop material from the discharge ends of the first and second side drapers and for carrying the crop material rearwardly toward the feed opening of the combine harvester; and
a pan member underlying the feed draper and having a front edge adjacent the front guide roller of the feed draper;
the pan member being formed of a flexible material;
the front edge of the pan member being carried on a spring coupling arrangement which allows upward and downward flexing movement of the front edge of the pan member relative to the front guide roller;
wherein the pan member is formed of a sheet of a flexible plastics material;
and wherein the pan member includes a front strip member defining a separate element from the sheet of plastics material and attached across a full width of the front edge, the front strip member being carried by the spring coupling arrangement.
9. The header according to claim 8 wherein the front strip member includes an upturned lip extending upwardly and forwardly from the pan member.
10. The header according to claim 8 wherein there is provided a rear holding member and a tensioning arrangement for applying longitudinal tension on the flexible sheet material between the front strip member and the rear holding member.
11. A crop harvesting header for a combine harvester comprising:
a main frame structure extending across between two ends of the header across a width of the header for movement in a direction generally at right angles to the width across ground including a crop to be harvested;
a mounting assembly for attachment to a feeder house of the combine harvester for carrying the main frame structure on the combine harvester;
a crop receiving table carried on the main frame structure across the width of the header;
a cutter bar across a front of the table carrying a cutter knife operable for cutting the crop as the header is moved forwardly across the ground for depositing the crop onto the table;
and a crop transport system for moving the cut crop toward a discharge location of the header for feeding the crop into a feed opening of the combine harvester;
the crop transport system including:
a first side draper having an outer end guide roller at a first end of the header, an inner end guide roller adjacent the discharge location and a draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a second side draper having an outer end guide roller at a second end of the header, an inner end guide roller adjacent the discharge location and a draper canvas defining a top run of the canvas for carrying the cut crop from the knife across the header to a discharge end adjacent the discharge location;
a feed draper located at the discharge location and including a front guide roller adjacent the cutter bar, a rear guide roller behind the front guide roller and a draper canvas wrapped around the front and rear guide rollers to define a top run of the feed draper for receiving the crop material from the discharge ends of the first and second side drapers and for carrying the crop material rearwardly toward the feed opening of the combine harvester; and
a pan member underlying the feed draper and having a front edge adjacent the front guide roller of the feed draper;
the pan member being formed of a flexible material;
the front edge of the pan member being carried on a spring coupling arrangement which allows upward and downward flexing movement of the front edge of the pan member relative to the front guide roller;
wherein the pan member has a rear edge adjacent the rear guide roller which extends across a full width of the rear guide roller and includes a plurality of rear mounting members at spaced positions across the rear edge of the pan member for holding the rear edge, each rear mounting member including a latch by which the rear mounting member can be released for allowing the rear edge to be lowered.
12. The header according to claim 11 wherein the latch includes a pivotal link which in a release position allows the rear edge to be released for lowering and in an applied position engages the rear edge to apply longitudinal tension on the flexible sheet.
13. The header according to claim 12 wherein the rear edge of the flexible sheet has hook members at spaced positions across the rear edge for engaging over transverse portions of the pivotal link.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An ophthalmic surgical system comprising:
a surgery-viewing device for observing a surgical site;
a surgical console for controlling at least one surgical instrument;
wherein the surgical console detects certain surgical parameters during surgery; and
a heads-up display connected to each of the surgery viewing device and the surgical console for displaying at least one of the surgical parameters to a user through the surgery-viewing device.
2. The system of claim 1 further including a foot controller for activating and deactivating the heads-up display.
3. The system of claim 1, wherein the heads-up display is activated for a predetermined time period.
4. The system of claim 1, wherein the surgical parameters include vacuum level, phaco power level, surgery time, estimated intraocular pressure, and temperature.
5. The system of claim 1, wherein the surgical viewing device is a surgical microscope.
6. The system of claim 1, wherein the surgery-viewing device is a camera and associated display device.
7. The system of claim 1, wherein the heads-up display includes
an input cable for attachment to the surgical console;
a display connected to the input cable for displaying images onto the surgical viewing device; and
a lens and beam splitter combination for focusing the display and directing the display images onto the surgery-viewing device.
8. The system of claim 1, wherein the heads-up display includes:
a laser writer for connection to the surgical console; and
wherein the laser writer projects surgical parameter information onto the surgical site such that a reflection of the projected surgical parameter information may be seen through the surgery-viewing device.
9. The system of claim 6, wherein the heads-up display includes:
a mixer connected to each of the surgical console and the camera for overlaying the surgical parameters onto an image of the surgical site obtained by the camera such that a user may view the surgical site and the surgical parameters simultaneously on the display.
10. A heads-up display comprising:
a first connector for connection to a surgery-viewing device;
a second connector for connection to a surgical console; and
viewing means for transferring surgical parameters from the surgical console to the surgery-viewing device, thereby enabling a surgical site and at least one of the surgical parameters to be viewed simultaneously.
11. The invention of claim 10 further including a connector for connection to a foot controller for activating and deactivating the heads-up display.
12. The invention of claim 10, wherein the surgical parameters include vacuum level, phaco power level, surgery time, estimated intraocular pressure, and temperature.
13. The invention of claim 10, wherein the surgical viewing device is a surgical microscope.
14. The system of claim 10, wherein the surgery-viewing device is a camera and associated display device.
15. The system of claim 10, wherein the heads-up display includes
an input cable for attachment to the surgical console;
a display connected to the input cable for displaying images onto the surgical viewing device; and
a lens and beam splitter combination for focusing the display and directing the display images onto the surgery-viewing device.
16. The system of claim 10, wherein the heads-up display includes:
a laser writer for connection to the surgical console; and
wherein the laser writer projects surgical parameter information onto the surgical site such that a reflection of the projected surgical parameter information may be seen through the surgery-viewing device.
17. The system of claim 14, wherein the heads-up display includes:
a mixer connected to each of the surgical console and the camera for overlaying the surgical parameters onto an image of the surgical site obtained by the camera such that a user may view the surgical site and the surgical parameters simultaneously on the display.