초록 ▼

A self-contained line generating device uses a laser diode and a lens to project a fan-shaped beam of visible light. The lens is useful for receiving light and transmitting light in an asymmetrical planar beam. The light is useful for aligning objects in a vertical or a horizontal line. The generato

A self-contained line generating device uses a laser diode and a lens to project a fan-shaped beam of visible light. The lens is useful for receiving light and transmitting light in an asymmetrical planar beam. The light is useful for aligning objects in a vertical or a horizontal line. The generator also includes a substantially flat face and leveling devices for leveling and orienting the generator onto a flat surface. Retractable pins enable a user to easily mount the line generator onto a wall and align objects.

대표청구항 ▼

A self-contained line generating device uses a laser diode and a lens to project a fan-shaped beam of visible light. The lens is useful for receiving light and transmitting light in an asymmetrical planar beam. The light is useful for aligning objects in a vertical or a horizontal line. The generato

A self-contained line generating device uses a laser diode and a lens to project a fan-shaped beam of visible light. The lens is useful for receiving light and transmitting light in an asymmetrical planar beam. The light is useful for aligning objects in a vertical or a horizontal line. The generator also includes a substantially flat face and leveling devices for leveling and orienting the generator onto a flat surface. Retractable pins enable a user to easily mount the line generator onto a wall and align objects. dly in an alternating order and in at least two steps, with a corresponding number of revolutions of the wheel, until the inward and outward radial runout is within a minimum range, and e) during the correction of the radial runout, the lateral runout of the wheel rim ( 10) is monitored and optionally corrected.3. Device for carrying out the method according to claim 1, comprising a centering stand with a frame for receiving a hub of a wheel to be centered and a stand for receiving measurement devices for measuring the values of the lateral runout and/or the radial runout of the wheel rim of the wheel, wherein the measurement devices can be attached to the frame of the centering stand in different positions relative to the wheel, characterized in that as measurement devices at least one, preferably two pointer mechanisms (18,20) of identical construction are releasably secured on the centering stand (46), wherein one pointer mechanism (18) measures the lateral runout and another pointer mechanism (20) measures the radial runout of the wheel rim (10), and an axially displaceable feeler rod (50) is supported in each of the two pointer mechanisms (18,20), wherein the feeler rod (50) is operatively connected with a support frame (62) that can pivot about a pivot axis (60) so that the axial displacement motion of the feeler rod (50) is transformed into a pivoting motion of a center pointer (40), wherein the center pointer (40) is operatively connected to both a left maximum pointer (42) and a right maximum pointer (44), with the maximum pointers being configured to separately indicate the maximum left and right lateral round of the wheel rim (10) when the lateral runout of the wheel rim (10) is tested and the maximum inward and outward runout of the wheel rim (10) when the radial runout of the wheel rim (10) is tested, and that the center pointer (40) is affixed on the support frame (62) that can pivot about the pivot axis (60), wherein two mutually parallel, spaced-apart guides are arranged in the support frame (62) that guide a ball-shaped transmission element (52) on both sides without play.4. Device according to claim 3, characterized in that two cylindrical pins (54) having the form of two mutually parallel, spaced apart guides are arranged inside the rotatable support frame (62).5. Device according to claim 1, characterized in that the transmission element (52) is in the form of a ball.6. Device according to claim 1, characterized in that the maximum pointers (42,44) are each operatively connected to a displacement unit (92) via a gear drive, with a connecting rod (74) being connected to the displacement unit (92).7. Device according to claim 6, characterized in that the gear drive comprises a toothed rack (66) and a gear wheel (68).8. Device according to claim 6, characterized in that an operating button (80) is attached to the end of the connecting rod (74) for manual operation of the connecting rod (74).9. Device according to claim 1, characterized in that a clamping fixture (14) for receiving a hub of the wheel is configured so as to be self-adjusting.10. Device according to claim 9, characterized in that the clamping fixture (14) comprises two mutually parallel, spaced-apart retaining elements (104), with each of the retaining elements including a receiving groove (104).11. Device according to claim 1, characterized in that the receiving groove (104) forms a 2-point-support for a hub (122).12. Device according to claim 1, characterized in that each of the retaining elements (100) comprises a locking element (108).13. Device according to claim 1, characterized in that the locking element (108) forms a 1-point-support for a hub (122).14. Device according to claim 1, characterized in that the locking element (108) can be latched.15. Device according to claim 1, characterized in that the arresting element (108) can be locked. 5 U.S.C. § 119(e) to the filing date of U.S. Provisional Application 60/291,135, May 15, 2001, of the same title, which is incorporated by reference in its entirety. between the fixed and movable parts of the second axis. 2. A method according to claim 1, wherein the movable part of the first axis includes an exhaust communication passage that communicates the first exhaust passage of the first axis fixed part with the second exhaust passage of the second axis fixed part.3. A method according to claim 1, wherein the supporting air that forms the air pads between the fixed and movable parts of the first axis and between the fixed and movable parts of the second axis is exhausted through the first and second exhaust passages.4. A method according to claim 1, wherein external surfaces of the fixed parts of the first and second axes include exhaust orifices that communicate with respective ones of the first and second exhaust passages, and internal surfaces of the movable parts of the first and second axes include air exhaust grooves that communicate with respective ones of the exhaust orifices in the fixed parts of the first and second axes.5. A method according to claim 1, wherein the air supply passage includes first and second air supply passages, the fixed part of the first axis includes the first air supply passage, and the fixed part of the second axis includes the second air supply passage in communication with the first air supply passage.6. A method according to claim 5, wherein the movable part of the first axis includes an air supply communication passage that communicates the first air supply passage of the first axis fixed part with the second air supply passage of the second axis fixed part.7. A method of exhausting supporting air from a two-axis static pressure air bearing that includes a first axis having a fixed part and a movable part that is movably mounted to the fixed part, and a second axis having a fixed part and a movable part that is movably mounted to the fixed part of the second axis, the fixed part of the second axis attached to the movable part of the first axis, the method comprising the steps of: exhausting the supporting air from air pads located between the fixed and movable parts of the second axis through a first exhaust passage located in the fixed part of the first axis and a second exhaust passage located in the fixed part of the second axis, the second exhaust passage in communication with the first exhaust passage; and supplying the supporting air to the air pads from an air supply passage that is different from the first and second exhaust passages. 8. A method according to claim 7, wherein the movable part of the first axis includes an exhaust communication passage that communicates the first exhaust passage of the first axis fixed part with the second exhaust passage of the second axis fixed part.9. A method according to claim 7, wherein external surfaces of the fixed parts of the first and second axes include exhaust orifices that communicate with respective ones of the first and second exhaust passages, and internal surfaces of the movable parts of the first and second axes include air exhaust grooves that communicate with respective ones of the exhaust orifices in the fixed parts of the first and second axes.10. A method according to claim 7, wherein the air supply passage includes a first air supply passage and a second air supply passage, and wherein the step of supplying the supporting air to the air pads between the fixed and movable parts of the second axis includes supplying the supporting air through the first air supply passage, which is located in the fixed part of the first axis, and through the second air supply passage, which is located in the fixed part of the second axis and in communication with the first air supply passage.11. A method according to claim 10, wherein the movable part of the first axis includes an air supply communication passage that communicates the first air supply passage of the first axis fixed part with the second air supply passage of the second axis fixed part.