Laser fanning device

Claim 2

Apparatus for generating light in a plane comprising, in combination: support means; first and second mounting means rotatably mounted to said support means and interconnected to each other for relative rotation about an axis; a highly collimated light beam generator mounted on said first mounting means for projecting a highly collimated light beam or an axis extending in a generally horizontal direction; line-of-sight means mounted on said first mounting means and cooperatively associated with said generator for visually sighting said generator along or parallel to the light projection axis; an electric motor mounted on one of said first and second mounting means, said motor being interconnected to the other of said mounting means by a crank means whereby actuation of said motor causes rapid rotational movement of said first mounting means, generator and light beam back and forth to produce and develop a datum plane of light.

Claim 3

The apparatus of claim 1 wherein the axis of rotation of said electric motor and crank means is parallel and offset laterally from the axis of rotation of said light beam generator.

Claim 4

The apparatus of claim 1 wherein said light beam generator is mounted on said first mounting means for pivotal movement about a generally horizontal axis and includes a grade adjustment means for selecting thE grade of the light beam generated by said source.

Claim 5

The apparatus of claim 3 wherein said grade adjustment means includes a threadable control screw threadable through said first mounting means into abutment with said light beam generator to provide facile adjustment of the grade of said generator.

Claim 6

The apparatus of claim 4 wherein said apparatus further includes means for visually indicating the grade angle and increments in adjustment of the grade angle of said light beam generator.

Claim 7

The apparatus of claim 5 wherein said last mentioned means is comprised of a digital counter mounted on said first mounting means and interconnected by a stem to said threaded control screw whereby movement of said control screw provides corresponding movement of said counter stem to actuate said counter.

Claim 8

The apparatus of claim 1 wherein said highly collimated light beam generator is a laser generator and said light beam is a laser beam.

Claim 9

Apparatus for generating light in a plane comprising, in combination: first and second mounting means interconnected to each other for relative rotation about an axis; a highly collimated light beam generator mounted on said first mounting means for projecting an intensified light beam in a generally horizontal direction; an electric motor mounted on said first mounting means and interconnected to said second mounting means by a crank means whereby actuation of said motor causes rapid rotational movement of said light beam back and forth to produce and develop a datum plane of light, said second mounting means including arm means extending radially therefrom, said arm means being interconnected to said electric motor by said crank means such that operation of said motor causes said light beam generator, first mounting means and electric motor to oscillate rotationally relative to said second mounting means to produce and develop said plane of light.

Claim 10

Apparatus for generating light in a plane comprising, in combination: first and second mounting means interconnected to each other for relative rotation about an axis; a highly collimated light beam generator mounted on said first mounting means for projecting an intensified light beam in a generally horizontal direction; an electric motor mounted on said first mounting means and interconnected to said second mounting means by a crank means whereby actuation of said motor causes rapid rotational movement of said light beam back and forth to produce and develop a datum plane of light, said second mounting means including arm means extending radially therefrom, said arm means being interconnected to said electric motor by said crank means such that operation of said motor causes said light beam generator, first mounting means and electric motor to oscillate rotationally relative to said second mounting means to produce and develop said plane of light.

Claim 11

The apparatus of claim 8 wherein said rotation laterally of said axis is less than 360* .

Claim 12

Apparatus for generating a datum plane of light comprising, in combination: a support; a first support bracket rotatable mounted on said support about a first axis; a second support bracket mounted for rotatable adjustment on said support about said first axis; means for fixing said second support bracket to said support at different rotatable positions; a crank means rotatably interconnected to said first and second support brackets, said first bracket being rotatable by said crank means about said first axis; a highly collimated light beam generator mounted on said first support bracket for rotation about said first axis for projecting a highly collimated light beam in a plane generally perpendicular to said first axis; and an electric motor mounted on one of said first and second support brackets, said motor being interconnected to and driving said crank means whereby actuation of said motor causes rapid rotational movement of said first support bracket and generator back and forth to produce and develop said datum plane of light.

Claim 13

Apparatus for generating a datum plane of light comprising, in combination: a support; a first support bracket rotatable mounted on said support about a first axis; a second support bracket mounted for rotatable adjustment on said support about said first axis; means for fixing said second support bracket to said support at different rotatable positions; a crank means rotatably interconnected to said first and second support brackets, said first bracket being rotatable by said crank means about said first axis; a highly collimated light beam generator mounted on said first support bracket for rotation about said first axis for projecting a highly collimated light beam in a plane generally perpendicular to said first axis; and an electric motor mounted on one of said first and second support brackets, said motor being interconnected to and driving said crank means whereby actuation of said motor causes rapid rotational movement of said first support bracket and generator back and forth to produce and develop said datum plane of light.

Claim 14

The apparatus of claim 10 wherein said apparatus further includes means for mounting said generator on said first support bracket to provide rotation about a generally horizontal axis; and grade adjustment means for manually adjusting the pitch of said generator to adjust the grade of said light beam.

Claim 15

The apparatus of claim 11 wherein said apparatus further includes read-out means connected to said grade adjustment means to permit visual reading of the grade of said light beam.

Claim 16

Apparatus for generating a datum plane of light comprising, in combination: a light generator for projecting a highly collimated beam of light; a transit scope having a line-of-sight parallel to the light projection axis, said transit scope and generator being interconnected and mounted on a first mounting means, said first mounting means being rotatably mounted on a second mounting means for rotation relative thereto about an axis of rotation; means for leVeling said transit scope and generator; and means for oscillating said transit scope and generator in a reciprocal path about said rotational axis to develop a plane of light.

Claim 17

Apparatus for generating a datum plane of light comprising, in combination: a light generator for projecting a highly collimated beam of light; a transit scope having a line-of-sight parallel to the light projection axis, said transit scope and generator being interconnected and mounted on a first mounting means, said first mounting means being rotatably mounted on a second mounting means for rotation relative thereto about an axis of rotation; means for leVeling said transit scope and generator; and means for oscillating said transit scope and generator in a reciprocal path about said rotational axis to develop a plane of light.

Claim 18

The combination according to claim 13 wherein said axis of rotation is generally perpendicular to the line-of-sight of said scope and projection axis of said generator.

Claim 19

The combination according to claim 14 wherein said means for oscillating said transit scope and generator includes an electric motor mounted on one of said first and second mounting means, said motor being interconnected to the other of said mounting means by a crank means whereby actuation of said motor causes rapid rotational movement of said light beam back and forth to produce and develop a datum plane of light.

Claim 20

The combination according to claim 15 wherein the axes of rotation of said electric motor and crank means is generally parallel to and offset from said axis of rotation of said transit scope and generator.

Claim 21

The combination according to claim 13 wherein means are provided for rotating said transit scope and generator about a second axis generally perpendicular to said axis of rotation to provide a means for adjusting the grade of projection of said light beam.

Claim 22

The combination according to claim 17 wherein said second axis of rotation is offset from said axis of rotation.

Claim 23

The combination according to claim 18 wherein said grade adjustment means includes a threadable control screw threadable through said first mounting means into abutment with one of said transit scope and generator to provide facile adjustment of the grade of said generator.

Claim 24

The combination according to claim 19 wherein said apparatus further includes means for visually indicating the grade angle and increments in adjustments of the grade angle of said light beam projection.

Claim 25

The combination according to claim 20 wherein said means for visually indicating the grade angle is comprised of a digital counter mounted on said first mounting means and interconnected by a stem to said threaded control screw whereby movement of said control screw provides corresponding movement of said counter stem to actuate said counter.

Claim 26

Apparatus for generating light in a plane comprising, in combination: first and second support means; a highly collimated light beam generator mounted on said first support means for projecting a highly collimated light beam in a generally horizontal direction; said first support means being rotatably interconnected to said second support means by a crank means for rotation relative said second support means about a first generally vertical axis; said crank means comprising a first and second crank arm, said first crank arm being rotatably connected at one end to said second support means and rotatably connected at the other end to one end of said second crank arm; an electric motor mounted to said first support means and having a drive shaft rotatable about a second generally vertical axis spaced from said first axis; said drive shaft being connected to the other end of said second crank arm whereby actuation of said motor causes rapid joint movement of said first support means, electric motor and light beam generator back and forth to produce and develop a datum plane of light.

Claim 27

Apparatus for generating light in a plane comprising, in combination: first and second support means; a highly collimated light beam generator mounted on said first support means for projecting a highly collimated light beam in a generally horizontal direction; said first support means being rotatably interconnected to said second support means by a crank means for rotation relative said second support means about a first generally vertical axis; said crank means comprising a first and second crank arm, said first crank arm being rotatably connected at one end to said second support means and rotatably connected at the other end to one end of said second crank arm; an electric motor mounted to said first support means and having a drive shaft rotatable about a second generally vertical axis spaced from said first axis; said drive shaft being connected to the other end of said second crank arm whereby actuation of said motor causes rapid joint movement of said first support means, electric motor and light beam generator back and forth to produce and develop a datum plane of light.

Claim 28

The apparatus according to claim 22 wherein the rotation of said first crank arm about each of its ends is about generally third and fourth vertical axes spaced from each other and said first and second spaced axes.