1461144156-68ab6836-636a-42f8-8674-40ddb8bdc771

1. A method of applying an elongated molecule to a surface, comprising:
controllably flowing a solution containing an elongated molecule over the first substrate in a manner that promotes stretching of the elongated molecule from a defined physical feature along the first substrate; and
transferring the stretched elongated molecule to a second substrate,
wherein the elongated molecule is selected from the group consisting of polymers, nanotubes, proteins, carbohydrates, lipids, and functionalized forms of any of the above.
2. The method of claim 1, wherein the elongated molecule is a polymer selected from the group consisting of isotactic polymers, atactic polymers, stereotactic polymers, thermoplastics, thermosets, elastomers, copolymers, block copolymers, organic polymers, inorganic polymers, polyamides, polyesters, polycarbonates, polyethers, polyimides, polyimines, formaldehydes, polysulfones, polyurethanes, polyvinyls, polyolefins, and polyalkynes.
3. The method of claim 1, wherein the elongated molecule is a protein selected from the group consisting of antibodies, enzymes, hormones, structural proteins, regulatory proteins, filamentous proteins, soluble proteins, motor proteins, denatured proteins, and polypeptides.
4. The method of claim 1, wherein the elongated molecule is a carbohydrate selected from the group consisting of monosaccharides, disaccharides, oligosaccharides, polysaccharides, starches, glycogens, cellulose, amylose, and chitin.
5. The method of claim 1, wherein the elongated molecule is a lipid selected from the group consisting of fatty acids, glycerides, phosphoglycerides, sphingolipids, steroids, waxes, lipoproteins, and glycolipids.
6. The method of claim 1, wherein the defined physical feature is a depression.
7. The method of claim 1, wherein the defined physical feature is a protrusion.
8. The method of claim 1, further comprising applying a conductive material to the stretched elongated molecule.
9. The method of claim 1, wherein transferring the stretched elongated molecule comprises bringing the first substrate in proximity to the second substrate.
10. The method of claim 1, wherein transferring the stretched elongated molecule comprises bringing the first substrate into contact with the second substrate.
11. The method of claim 10, further comprising controlling a surface charge of the second substrate, wherein the surface charge acts to attract the elongated molecule to the second substrate.
12. The method of claim 11, further comprising controlling a surface charge of the first substrate, wherein the surface charge acts to attract the elongated molecule to the first substrate.
13. The method of claim 1, further comprising controlling a surface charge of the first substrate, wherein the surface charge acts to repel the elongated molecule from the first substrate.
14. The method of claim 13, further comprising controlling a surface charge of the second substrate, wherein the surface charge acts to attract the elongated molecule to the second substrate.
15. The method of claim 13, further comprising controlling a surface charge of the second substrate, wherein the surface charge acts to repel the elongated molecule from the second substrate.
16. The method of claim 1, wherein transferring the stretched elongated molecule comprises controlling surface energy of at least one of the first and second substrates.
17. The method of claim 1, wherein transferring the stretched elongated molecule comprises controlling temperature of at least one of the first and second substrates.
18. The method of claim 1, wherein transferring the stretched elongated molecule comprises controlling hydrophilicity of at least one of the first and second substrates.
19. The method of claim 1, wherein the second substrate comprises an electronic device, and wherein the transferred elongated molecule is in electrical communication with the electronic device.
20. The method of claim 1, further comprising attaching an electronic device to the transferred elongated molecule.
21. The method of claim 1, wherein controllably flowing comprises controlling a surface charge of the first substrate, wherein the surface charge is spatially patterned.
22. The method of claim 1, wherein controllably flowing comprises controlling a surface charge of the first substrate, wherein the surface charge is dynamic.
23. The method of claim 1, wherein controllably flowing comprises controlling a surface charge of the first substrate, wherein the surface charge is static.
24. The method of claim 1, wherein the first substrate comprises surface features that spatially direct the fluid flow.
25. The method of claim 1, wherein the first substrate comprises a plurality of micro-orifices, and wherein controllably flowing further comprises flowing a fluid through at least a subset of the micro-orifices.
26. The method of claim 1, wherein the first substrate comprises a plurality of switchable channels, and wherein controllably flowing further comprises switching at least a subset of the switchable channels.
27. The method of claim 1, wherein controllably flowing comprises directing fluid flow by controlling hydrophilicity of the first substrate.
28. The method of claim 1, wherein controllably flowing comprises varying the temperature of the solution.
29. The method of claim 1, further comprising applying a cover surface to the solution.
30. The method of claim 29, wherein controllably flowing comprises moving the cover surface relative to the first substrate to induce fluid flow in the solution.
31. The method of claim 30, wherein moving the cover surface relative to the first substrate comprises peeling the cover surface away from the first substrate.
32. The method of claim 30, wherein moving the cover surface relative to the first substrate comprises sliding the cover surface along the first substrate.
33. The method of claim 29, wherein at least one of the cover surface and the first substrate comprises surface features that spatially direct the fluid flow.
34. The method of claim 29, wherein the surface features that spatially direct the fluid flow comprise a plurality of micro-orifices, and wherein controllably flowing further comprises flowing a liquid through at least a subset of the micro-orifices.
35. The method of claim 29, wherein the surface features that spatially direct the fluid flow comprise a plurality of micro-orifices, and wherein controllably flowing further comprises flowing a gas through at least a subset of the micro-orifices.
36. The method of claim 29, wherein the surface features that spatially direct the fluid flow comprise a plurality of switchable channels, and wherein controllably flowing further comprises switching at least a subset of the switchable channels.
37. The method of claim 29, wherein controllably flowing further comprises inducing surface charges on at least one of the cover surface and the first substrate.
38. The method of claim 37, wherein inducing surface charges comprises photoinducing surface charges.
39. The method of claim 29, wherein controllably flowing further comprises applying a varying surface tension along at least one of the cover surface and the first substrate.
40. The method of claim 1, wherein controllably flowing comprises inducing vorticity into the solution.
41. The method of claim 1, wherein controllably flowing comprises directing fluid flow by applying a varying surface tension along the substrate.
42. The method of claim 1, wherein controllably flowing comprises directing fluid flow by applying an electromagnetic field to the solution.
43. The method of claim 1, wherein the solution comprises a mechanical anchor having the elongated molecule anchored thereto, and where the defined physical feature acts to spatially fix the mechanical anchor.
44. The method of claim 43, wherein the mechanical anchor is a bead.
45. The method of claim 43, wherein the defined physical feature physically traps the mechanical anchor.
46. The method of claim 43, wherein the defined physical feature adheres to the mechanical anchor.
47. The method of claim 43, wherein the defined physical feature electrically traps the mechanical anchor.
48. The method of claim 43, wherein the defined physical feature magnetically traps the mechanical anchor.

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 tool comprising a mode switching device that switches a driving mode of a tool bit among a plurality of different driving mode wherein the mode switching device includes:
a mode switching member that can be turned by manual operation,
a driven-side member that can linearly move in a direction crossing a rotation axis of the mode switching member,
a mode switching mechanism that is actuated by linear motion of the driven-side member,
an actuating member that is disposed on the mode switching member such that the initial position of the actuating member is located in a position displaced in a radial direction from the rotation axis of the mode switching member, wherein, when the mode switching member is turned, the actuating member is caused to revolve in a circular arc movement in contact with the driven-side member, thereby causing the driven-side member to linearly move via components of the circular arc movement in the direction of the linear movement of the driven-side member, wherein the actuating member can move radially inward of the mode switching member from the initial position toward the rotation axis of the mode switching member with respect to the mode switching member and
an elastic element that is drastically deformed by the actuating member when the actuating member moves radially inward from the initial position, whereby the elastic element builds up a spring force to return the actuating member to the initial position,
wherein, when the driven-side member is prevented from moving linearly by interruption of the movement of the mode switching mechanism during turning operation of the mode switching member for mode change, the actuating member moves radially inward of the mode switching member while elastically deforming the elastic element, thereby allowing the mode switching member to be turned, and when the interruption of the movement of the mode switching mechanism is resolved and the linear movement of the driven-side member is allowed in the state in which the mode switching member is turned, the actuating member moves back to the initial position by the accumulated spring force of the elastic element, which causes the driven-side member to linearly move.
2. The power tool as defined in claim 1, wherein the radially inward movement of the actuating member with respect to the mode switching member is a swinging movement on a fixed point other than the rotation axis of the mode switching member.
3. The power tool as defined in claim 1, wherein the radially inward movement of the actuating member with respect to the mode switching member is a swinging movement on a fixed point other than the rotation axis of the mode switching member and
wherein the actuating member can swing on either of two points which are substantially symmetrically positioned with respect to a line connecting the rotation axis of the mode switching member and the center of the actuating member placed in the initial position.
4. The power tool as defined in claim 1 further comprising a tool body having a mounting hole in which the mode switching member is mounted, wherein the mode switching member includes a circular portion which is rotatably fitted in the mounting hole, the circular portion having a recess formed along the direction of the rotation axis, the elastic element and the entire actuating member except for a portion which contacts the driven-side member being disposed within the recess.
5. The power tool as defined in claim 1, wherein the radially inward movement of the actuating member with respect to the mode switching member is a swinging movement on a fixed point other than the rotation axis of the mode switching member and wherein the actuating member can swing on either of two points which at substantially symmetrically positioned with respect to a line connecting the rotation axis of the mode switching member and the center of the actuating member placed in the initial position,
wherein the mode switching member has two engagement recesses that are substantially symmetrically positioned with respect to a line connecting the rotation axis of the mode switching member and the center of the actuating member placed in the initial position,
the actuating member has two engagement portions which can disengageably and rotatably engage with the associated engagement recesses and
the elastic element comprises a torsion spring and includes two arms extending radially outward, and one of the arms of the torsion spring is held in contact with one of the engagement portions such that the one engagement portion engages with one of the engagement recesses, while the other arm of the torsion spring is held in contact with the other engagement portion such that the other engagement portion engages with the other engagement recess.
6. The power tool as defined in claim 1, wherein the tool bit of the power tool is driven at least in any two of a hammer mode, drill mode and hammer drill mode.