Class 33/530 - Pitchometer

Subclass of Class 33 - Geometrical instruments
Definition: Subject matter wherein the contact member contacts a propeller
No. of patents: 30
Last issue date: 03/30/2010

Number	Title	Issue Date
7685731	Blade verification plates and method of use A first plate includes an opening configured to be placed over a blade of a first rotor. A second plate includes an opening configured to be placed over a blade of a second rotor. Each plate includes a first pin configured to contact a leading edge of a blade locate...	03/30/2010
7637026	Main rotor blade calibration gauge for remote-controlled toy helicopter A main rotor blade calibration gauge is disclosed to include a graduation plate with an angle scale, a calibration plate pivoted to one end of the graduation plate, and chuck plates coupled to the calibration plate for securing the calibration plate to the main roto...	12/29/2009
7562464	Method and device for measuring propeller surface A device for measuring a vane surface contour of a propeller includes a shaft extending through a hub of the propeller and rotatable about a vertical axis. A measuring rod is movable in a direction parallel to the vertical axis to abut a measuring end thereof agains...	07/21/2009
7472489	Rowing device, digital pitch meter and other devices Electronic devices are provided to measure the angle between two arbitrary surfaces, using the local direction of gravity as an absolute direction reference. One case is an electronic device to measure the angle between the keel of a rowing shell and the oarlock pin...	01/06/2009
7434328	Rotor blade cuff measuring tool A measuring tool for a blade cuff mounted on a rotor blade assembly includes a cam follower assembly which simulates a longitudinal profile of an ideal blade cuff within a contour plane. A cam lock locks the gauge at a desired longitudinal position along a central a...	10/14/2008
7412780	Template for inspecting and marking repair areas on an object A template for assessing damaged areas on an object, such as a fan blade or other item, includes a set of marks indicating the maximum areas of damage allowed on the periphery of the object. A guide enables the template to be aligned in proper position against the o...	08/19/2008
7296362	Surface curvature measuring apparatus for object profiles A surface curvature measuring apparatus includes a platform and a magnetically attractable curvature-measuring module. The platform has a rotary mechanism to mount and to rotate a sample object. The magnetically attractable curvature-measuring module includes a fixe...	11/20/2007
7103985	Stringer check fixture and method An aircraft frame stringer is checked against designed specifications using a set of templates with stringer-engaging, upwardly-facing surfaces that match the designed contours of sections of the stringer at different locations along the length of the stringer. The ...	09/12/2006
7059062	Pivot gauge apparatus for measuring male articulated connector An apparatus for measuring the dimensions of an articulated connector for reconditioning while it is still mounted to the end structure of a rail car is disclosed. The connector is measured to find areas and amounts of wear on portions of the connector. The measurem...	06/13/2006
7017431	Methods for inspecting components A method for inspecting a component. The method includes coupling the component to a fixture such that the component is fixedly secured in position during machining of the component, and inspecting the component using an inspection tool while the component is couple...	03/28/2006
6919559	High-temperature optical rotary and linear position sensor A device and method capable of measuring the optical rotary and linear position of items, that is reliable, accurate and capable of operating in harsh environments. The present invention utilizes optics to measure rotary and linear position. Unlike the prior art the...	07/19/2005
6910278	Apparatus and method for inspecting and marking repair areas on a blade A template for assessing damaged areas on a blade includes a set of marks indicating the maximum areas of damage allowed on an edge, as well as the tip of a blade. A guide enables the template to be aligned in proper position against the blade for accurate visual in...	06/28/2005
6532678	Pitch and rake gauge for a propeller An apparatus and method involves the use of a gauge to measure the pitch and rake of a blade on a propeller. The gauge has a rotational sensor that determines relative rotation of a measurer. The measurer includes a pitch sensor and a rake sensor. The rot...	03/18/2003
6510615	Model airplane control surface position measurement system and method The model airplane control surface position measurement system and method uses an adjustable ruler scale attached to a support stand in combination with a laser device attached to the trailing edge of a control surface of the model airplane. The laser dev...	01/28/2003
6209216	Methods and apparatus for measuring airfoil coordinates An airfoil blade measuring apparatus includes an airfoil blade engagement system and a measuring system. The airfoil blade engagement system rotates the mounted airfoil blade to a position to be measured, and elevates the airfoil blade to permit the entir...	04/03/2001
6192595	Gauge for use with an instrument for measuring the pitch of an oar blade The gauge has a first template-like cavity and a first straight edge bordering the first cavity. The first template-like cavity is adapted to enclose an end of an oar blade, and the straight edge is usable for steadying a pitch meter against the oar blade...	02/27/2001
5152071	Propeller pitch gauge A pitch gauge for measuring the pitch of a propeller blade which comprises an engaging portion for insertion into a propeller hub, a scale provided on the engaging portion to measure the depth that the engaging portion is inserted into the propeller hub, ...	10/06/1992
5152070	Position validator device A device for measuring three-dimensional coordinate position of a blade to validate the position on an impeller having a main guide track with a mounting collar on one end with a secondary guide track securably received on the main guide track. The second...	10/06/1992
5025520	Combined tool and method for using same A combination tool includes a retractable knife and a pitch gage which provides pitch measurements directly in terms of inches of vertical rise per foot of horizontal distance. The tool can also be provided with indicia to permit vertical and horizontal a...	06/25/1991
4718172	Turbine blade radial position gage A gage for determining alignment of a turbine rotor blade in an assembly position on a turbine rotor. The gage includes a precision base for positioning on the rotor surface adjacent a blade to establish a tangent line perpendicular to a rotor radial line...	01/12/1988
4665625	Component measuring apparatus with multiple component multiple positioning device A component inspection apparatus includes a component holder mounted on a compound slide structure. Two arrays of gauging elements are provided on a mutually perpendicularly movable slide. These arrays can be adjusted on the slide and each array includes ...	05/19/1987
4642901	Propeller checking A propeller checking device comprising a mounting means adapted to be mounted on an axis coincident with or parallel to the axis of a propeller to be checked and which has a plurality of pins mounted on mountable to the plate to be movable with respect th...	02/17/1987
4604812	Pitch-angle-checker (P-A-C) A pitch and angle measuring instrument including three basic elements; a base, a main dial and an elongated pointer. The base includes a bottom portion which is designed to rest on a pipe or other item for which the angle or pitch is desired to be measure...	08/12/1986
4577499	Slope-speed sensor for seam welding apparatus A seam welding apparatus is provided which automatically senses and adjusts the position of a welding torch in triaxial X, Y and Z directions and controls the position so as to maintain a predetermined position of the torch with respect to an irregularly ...	03/25/1986
4411073	Pitch testing apparatus An instrument for measuring the pitch of propeller blades which includes a probe which can contact and remain in contact with a propeller blade while there is continuous relative rotation of the probe and the blade, there being means to measure the degree...	10/25/1983
4146967	Rotor blade inspection fixture An apparatus for measuring the contour of rotor blades is provided. The apparatus or fixture of the present invention will measure airfoil shape and twist at any spanwise station along a rotor blade as well as measuring the chordwise and flapwise bow of t...	04/03/1979
4067116	Geometric pitch determining device A hand operable device for conveniently determining geometric pitch of propellers. The device includes a level indicating device and a support means therefor. The support means has pressure surfaces engaging protrusions disposed thereon in a plane oblique...	01/10/1978
4056888	Device for measuring the pitch of propeller blades and the like A device for measuring the pitch of propeller blades and the like is disclosed herein which comprises a shaft on which the bladed item is mounted. An arm is rotatably and slidably received upon the shaft and has a pin which rides along the blade surface t...	11/08/1977
4053989	Co-ordinates measuring apparatus for an exclusive propeller processing machine In a propeller measuring device, moving means move a probe relative to the propeller to a plurality of reference positions indicative of positions on a desired propeller shape. The probe determines the deviation from reference position and a recorder reco...	10/18/1977
3996670	Protractor with digital readout A protractor having a sine bar connected to the shaft of an electronic encoder and supported to a carriage movable axially and horizontally, but retained in fixed relationship to a table supporting a propeller for measuring and inspecting the blade angles...	12/14/1976

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Class 33/530 - Pitchometer