1. A system for determining the position of a container in a vehicle andor trailer loaded with containers in a loading area for containers, the container or containers being loaded on the vehicle andor trailer and correspondingly unloaded therefrom by a crane handling containers, moving over a lane or lanes in the loading area and comprising a spreader grabbing the containers from a top, and with a positioning system for the crane and the spreader, the system for determining the position of a container comprising:
a container position determining apparatus arranged in connection with the lane, wherein the container position determining apparatus comprises a fixed structure which is mounted alongside the lane and a location of which relative to ground is known, and an indicator that is movable on the fixed structure and can be manually moved to indicate either end of a desired position of a container on a vehicle parked on the lane or on a trailer connected thereto, whereupon information about a position of the indicator on the fixed structure is determined and transmitted to the crane.
2. The system according to claim 1, wherein the fixed structure mounted alongside the lane is an elongated rail parallel to the lane, along which the indicator is movable.
3. The system according to claim 1, wherein one or more sensors have been provided in connection with the indicator or in the fixed structure to determine the position of the indicator on the fixed structure (1).
4. The system according to claim 1, wherein the position of the indicator on the fixed structure is arranged to be determined by the positioning and measuring systems of the crane.
5. The system according to claim 1, wherein the indicator comprises a mechanical accessory part extending out from the indicator to the lane to reduce a distance to a vehicle parked on the lane andor to a trailer connected thereto.
6. The system according to claim 5, wherein the accessory part is formed as a fixed part of the actual indicator.
7. The system according to claim 1, wherein the indicator comprises a laser sight or laser light emitting a visible laser line, the laser line being pointed out from the indicator to the lane and a vehicle parked thereon or a trailer connected to the vehicle.
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. A feeding apparatus that feeds a sheet that are stacked in a sheet stacking unit by feeding the sheet by means of a feeding unit and separating the sheet by means of a separation surface; said apparatus comprising:
a movable separation surface that is provided so as to be able to move toward a downstream side and an upstream side in a direction in which the sheet is fed by the feeding unit;
a pressing unit configured to press the movable separation surface toward the upstream side; and
a prevention unit configured to, at a specified position within a range that the movable separation surface moves, prevent the movable separation surface from moving toward at least the downstream side.
2. The feeding apparatus according to claim 1, further comprising another separation surface that is different from said movable separation surface, and that applies a resistance force to the fed sheet that differs from a resistance force by said movable separation surface.
3. The feeding apparatus according to claim 1, further comprising a control unit configured to perform control so that said prevention unit prevents said movable separation surface from moving when a printing section for performing printing is in a standby state.
4. The feeding apparatus according to claim 3, wherein said control unit determines, depending on the type of sheets being fed, whether or not to prevent movement of said movable separation surface.
5. The feeding apparatus according to claim 2, wherein the range in which said movable separation surface moves is from a position where said movable separation surface protrudes out to from said another separation surface up to a position that is retracted further from said another separation surface.
6. The feeding apparatus according to claim 1, wherein said prevention unit secures said movable separation surface at the furthest position on the upstream side of a range in which said movable separation surface moves.
7. The feeding apparatus according to claim 1, further comprising a unit configured to detect whether or not there is a sheet to be fed, wherein when said unit detects that there is no sheet, said prevention unit secures said movable separation surface.
8. A printing apparatus that uses said feeding apparatus according to claim 1 to perform printing to the sheet that is fed from the feeding apparatus.