We claim:
1. A delivery indicator system, comprising:
a housing;
an attachment device secured to said housing for attaching to a surface of an object; and
a display means positioned within said housing for displaying a statement viewable by a delivery person indicating the delivery location.
2. The delivery indicator system of claim 1, wherein said display means is comprised of:
an illuminating light positioned within said housing; and
a semi-transparent sheet having said statement positioned within said housing in front of said illuminating light.
3. The delivery indicator system of claim 2, including a power switch electrically connected to said illuminating light, and a power source electrically connected to said power switch.
4. The delivery indicator system of claim 3, wherein said power source is comprised of at least one battery.
5. The delivery indicator system of claim 2, wherein said display means further includes at least one auxiliary light.
6. The delivery indicator system of claim 5, including a power switch electrically connected to said illuminating light and said at least one auxiliary light, and a power source electrically connected to said power switch.
7. The delivery indicator system of claim 5, including a control unit electrically connected to said illuminating light and said at least one auxiliary light, a power switch electrically connected to said control unit, and a power source electrically connected to said power switch.
8. The delivery indicator system of claim 7, wherein said control unit flashes said at least one auxiliary light.
9. The delivery indicator system of claim 8, wherein said attachment device is comprised of a clip member.
10. The delivery indicator system of claim 9, wherein said clip member tapers outwardly toward a lower portion thereof for providing a stand structure.
11. The delivery indicator system of claim 8, wherein said attachment device is comprised of at least one magnet.
12. The delivery indicator system of claim 8, wherein said attachment device is comprised of at least one suction cup.
13. A delivery indicator system, comprising:
a housing;
an attachment device secured to said housing for attaching to a surface of an object;
a display means positioned within said housing for displaying a statement viewable by a delivery person indicating the delivery location;
a control unit electrically connected to said display means; and
a communication means for connecting said control unit to a computer network.
14. The delivery indicator system of claim 13, wherein said display means is comprised of:
an illuminating light positioned within said housing; and
a semi-transparent sheet having said statement positioned within said housing in front of said illuminating light.
15. The delivery indicator system of claim 14, including a power switch electrically connected to said control unit, and a power source electrically connected to said power switch.
16. The delivery indicator system of claim 15, wherein said power source is comprised of at least one battery.
17. The delivery indicator system of claim 15, wherein said display means further includes at least one auxiliary light.
18. The delivery indicator system of claim 17, wherein said control unit flashes said at least one auxiliary light.
19. The delivery indicator system of claim 18, wherein said attachment device is comprised of a clip member, wherein said clip member tapers outwardly toward a lower portion thereof for providing a stand structure.
20. A method of utilizing a delivery indicator device comprised of a housing, an attachment device secured to said housing for attaching to a surface of an object, and a display means positioned within said housing for displaying a statement viewable by a delivery person indicating the delivery location, comprising the steps of:
(a) positioning said delivery indicator device to a surface of an object in an easily viewable location utilizing said attachment device;
(b) placing an order to a business for delivery of goods or services;
(c) activating said display means to illuminate said statement;
(d) receiving said delivery of goods or services; and
(e) deactivating said display means.
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 power miter saw comprising:
a saw base having a fence for positioning a work piece;
a table rotatably connected to said saw base about a vertical shaft having at least a threaded end portion and a nut threaded on said end portion for holding said table and saw base together, the amount of resistance to rotation of said table relative to said saw base being controlled by the tightness of said nut;
a miter arm assembly for angularly positioning said table relative to said saw base;
a saw blade and motor assembly operatively connected to said table and being pivotable about a horizontal axis to move a saw blade into and out of cutting position;
a miter sensing unit operatively connected to said saw base and table for determining the angular position of said table relative to said saw base and generating position signals indicative thereof; and,
a display unit operatively connected to said sensing unit for receiving said position signals and providing a digital display of said determined angular position;
wherein said sensing unit is positioned adjacent said shaft and does not interfere with access to said nut.
2. A miter saw as defined in claim 1 wherein said vertical shaft is non-rotationally attached to said table and extends through an opening in said saw base, said miter sensing unit being located on said shaft intermediate said saw base and said nut.
3. A miter saw as defined in claim 2 wherein said miter sensing unit comprises an angular position transducer having an outer cylindrical base and an inner hollow cylinder that are rotatable relative to one another, said transducer generating signals that are indicative of the angular position of said cylindrical housing relative to said hollow cylinder, said hollow cylinder being mounted on said vertical shaft and said cylindrical housing being connected to said saw base, said transducer thereby generating signals indicative of the angular position of said table relative to said saw housing.
4. A miter saw as defined in claim 3 wherein said hollow cylinder is mounted on said vertical shaft in a manner than permits limited axial movement along said shaft, but is not rotatable relative thereto.
5. A miter saw as defined in claim 3 wherein said cylindrical base is configured to move in the axial direction with said hollow cylinder, responsive to rotation of said nut.
6. A miter saw as defined in claim 3 wherein said inner hollow cylinder is located beneath the saw base, said saw further comprising a thrust bearing located between said hollow cylinder and said saw base to facilitate easy rotation between said hollow cylinder and said saw base in the presence of axial force being applied urging the hollow cylinder and saw base together.
7. A miter saw as defined in claim 4 further comprising a rubber O-ring located between said hollow cylinder and said vertical shaft.
8. A miter saw as defined in claim 4 further comprising a tolerance ring located between said hollow cylinder and said vertical shaft.
9. A miter saw as defined in claim 4 wherein one of said hollow cylinder and said vertical shaft has an axial recess and the other has a complementary shaped spline or key which permit axial movement of said hollow cylinder relative to said vertical shaft.
10. A miter saw as defined in claim 3 wherein said shaft encoder comprises one selected from the group consisting of a single turn potentiometer, a multiple turn potentiometer, a string potentiometer and an optical encoder.
11. A miter saw as defined in claim 6 further comprising a washer located on said vertical shaft between said hollow cylinder and said nut, said washer being operatively connected to said shaft to prevent rotation relative to said shaft.
12. A miter saw as defined in claim 1 wherein said shaft has an axial groove and said washer is a keyed washer having a tang that fits within said groove.
13. A miter saw as defined in claim 1 further comprising a processing means for receiving said position signals and generating display signals for said display unit.
14. A miter saw as defined in claim 13 wherein said processing means is integrated in said display means.
15. A miter saw as defined in claim 3 wherein said outer cylindrical housing is operatively connected to said saw base to prevent rotation thereof while permitting limited axial movement thereof.
16. A miter saw as defined in claim 15 further comprising an outwardly extending bracket arm connected to said cylindrical housing and contacting an anti-rotation pin that is connected to said saw base and is oriented parallel to the axis of said cylindrical housing.
17. A miter saw as defined in claim 1 wherein said horizontal axis is perpendicular to the plane of said saw blade.
18. A miter saw as defined in claim 1 wherein said saw blade and motor assembly further comprises:
a bevel base portion connected to said table, said base portion having a bevel pivot shaft that is horizontally oriented and generally aligned with said blade;
a bevel pivot support housing operatively connected to said bevel base portion and pivotal about said pivot shaft, said shaft having at least a threaded end portion and a nut threaded on said end portion for holding said bevel pivot support housing and bevel base portion together, the amount of resistance to rotation of said bevel pivot support housing relative to said bevel base portion being controlled by the tightness of said nut;
a bevel angular position transducer operatively connected to said bevel pivot support housing and said bevel base portion for determining the angular position of said bevel pivot support housing relative to said bevel base portion and generating position signals indicative thereof; and,
a second display unit operatively connected to said bevel sensing unit for receiving said position signals and providing a digital display of said determined angular position;
wherein said transducer is positioned adjacent said shaft and does not interfere with access to said nut.
19. A miter saw as defined in claim 18 wherein said horizontal shaft is non-rotationally attached to said bevel base portion and extends through an opening in said bevel pivot support housing, said bevel angular position transducer being located on said shaft intermediate said bevel pivot support housing and said nut.
20. A miter saw as defined in claim 19 wherein said bevel angular position transducer comprises a shaft encoder having an outer cylindrical housing and an inner hollow cylinder that are rotatable relative to one another, said encoder generating signals that are indicative of the angular position of said cylindrical housing relative to said hollow cylinder, said hollow cylinder being mounted on said horizontal shaft and said cylindrical housing being connected to said bevel pivot support housing, said shaft encoder thereby generating signals indicative of the angular position of said bevel pivot support housing relative to said bevel base portion.
21. A miter saw as defined in claim 20 wherein said hollow cylinder is mounted on said bevel pivot shaft in a manner than permits limited axial movement along said shaft, but is not rotatable relative thereto.
22. A miter saw as defined in claim 20 wherein said cylindrical housing is configured to move in the axial direction with said hollow cylinder, responsive to rotation of said nut.
23. A miter saw as defined in claim 20 wherein said inner hollow cylinder is located on the outside end portion of said shaft and having its inside end surface in contact with said bevel pivot support housing.
24. A miter saw as defined in claim 20 wherein said cylindrical housing is configured to move in the axial direction with said hollow cylinder, responsive to rotation of said nut.
25. A miter saw as defined in claim 21 further comprising a rubber 0-ring located between said hollow cylinder and said bevel pivot shaft.
26. A miter saw as defined in claim 21 further comprising a tolerance ring located between said hollow cylinder and said bevel pivot shaft.
27. A miter saw as defined in claim 21 wherein one of said hollow cylinder and said bevel pivot shaft has an axial recess and the other has a complementary shaped spline or key which permit axial movement of said hollow cylinder relative to said bevel pivot shaft.
28. A miter saw as defined in claim 20 wherein said shaft encoder comprises one selected from the group consisting of a single turn potentiometer, a multiple turn potentiometer, a string potentiometer and an optical encoder.
29. A miter saw as defined in claim 23 further comprising a washer located on said bevel pivot shaft between said hollow cylinder and said nut, said washer being operatively connected to said shaft to prevent rotation relative to said shaft.
30. A power miter saw comprising:
a saw base having a fence for positioning a work piece;
a table rotatably connected to said saw base about a vertical shaft having at least a threaded end portion and a nut threaded on said end portion for holding said table and saw base together;
a miter arm assembly for angularly positioning said table relative to said saw base;
a motor assembly operatively connected to drive a saw blade, said assembly having a mechanism including a threaded shaft and nut for connecting said motor assembly to said table whereby said motor assembly can vary the bevel angle of said blade relative to said table;
a miter angular position transducer operatively connected to said vertical shaft of said table for determining the angular position of said table relative to said saw base and generating position signals indicative thereof;
a bevel angular position transducer operatively connected to said threaded shaft of said mechanism for determining the bevel angle position of said saw blade relative to said table and generating position signals indicative thereof; and,
at least one display unit operatively connected to said miter and bevel transducers for receiving said position signals and providing a digital display of said determined angular positions;
wherein each of said sensing units is positioned on its respective shaft inside of said associated nut so as not to interfere with access to said associated nut.
31. A miter saw as defined in claim 30 wherein each of said sensing units is axially movable on its respective shaft.
32. A miter saw as defined in claim 30 further comprising a keyed washer is located on at least one of said shafts between said associated sensing unit and nut, to prevent rotation of said nut from rotating said sensing unit.
33. A miter saw as defined in claim 30 wherein said mechanism further comprises a horizontal pivot shaft oriented perpendicular to the plane of said saw blade for moving a saw blade into and out of cutting position.