Abstract: A lawnmower includes a seat configured to receive a lawnmower operator; a mowing deck having one or more cutting implements and a discharge chute; and a bagging system in fluid communication with the discharge chute through a tube, wherein the lawnmower has a first configuration when the tube is coupled to the lawnmower, wherein the lawnmower has a second configuration when the tube is not coupled to the lawnmower, wherein the tube is disposed at a lateral side of the lawnmower in the first configuration, wherein the lawnmower defines a maximum lateral width in a lateral direction, and wherein the lateral width is less than 38 inches in both the first configuration and the second configuration.

Abstract: Lawnmowers and bagging systems are provided. A lawnmower or bagging system includes a bagger defining a collection chamber; a discharge tube connected to the bagger in upstream fluid communication therewith, the discharge tube comprising an exterior surface and an interior surface defining a tube passage, wherein a guide track is provided on the discharge tube; and a chute collar disposed on the discharge tube, the chute collar comprising a sleeve body extending circumferentially about at least a portion of the exterior surface, and a hand grip extending outward from the sleeve body.

Abstract: A riding lawnmower including: a frame; a seat supported by the frame; a cutting implement supported by the frame, the cutting implement driven by a cutting implement motor; a wheel rotatably driven by a wheel motor; a controller in electrical communication with the wheel motor to control operation of the wheel motor; a wiring harness defining a user input connector, wherein the wiring harness is in electrical communication with the controller; a user input movable in at least one direction, wherein the user input receives input from a user to affect steering control of the riding lawnmower, wherein the user input is swappable between at least two different types of user inputs, and wherein the controller is configured to self-configure between the at least two different types of user inputs.

Abstract: A tool device, such as a lawnmower, or a steerable-wheel assembly therefor may include a frame, a walking element, a drive motor, and a steerable-wheel assembly (SWA). The walking element may be coupled to the frame. The drive motor may selectively power the walking element. The SWA may be attached to the frame apart from the walking element. The SWA may include a caster connector pivotably mounted to the frame to rotate about a pivot axis, a steerable wheel rotatably coupled to the caster connector, a primary drive gear, a primary driven gear, and a secondary driven gear.

Abstract: A tool device, such as a lawnmower, or a steerable-wheel assembly therefor may include a frame, a walking element, a drive motor, and a steerable-wheel assembly (SWA). The walking element may be coupled to the frame. The drive motor may selectively power the walking element. The SWA may be attached to the frame apart from the walking element. The SWA may include a caster connector pivotably mounted to the frame to rotate about a pivot axis, a steerable wheel rotatably coupled to the caster connector, a detectable magnet fixed to the caster connector to pivot therewith about the pivot axis, and an encoder including a magnetic sensor fixed to the frame apart from the caster connector to detect a pivotable position of the detectable magnet.

Abstract: Lawnmowers are provided. A lawnmower includes a seat configured to receive a lawnmower operator; a mowing deck having one or more cutting implements and a discharge chute; and a bagging system in fluid communication with the discharge chute through a tube, wherein the lawnmower has a first configuration when the tube is coupled to the lawnmower, wherein the lawnmower has a second configuration when the tube is not coupled to the lawnmower, wherein the tube is disposed at a lateral side of the lawnmower in the first configuration, wherein the lawnmower defines a maximum lateral width in a lateral direction, and wherein the lateral width is less than 38 inches in both the first configuration and the second configuration.

Abstract: A facial concealment assembly for concealing a user's face when the user is sleeping includes a fitment that is extendable around a user's head. A brim is coupled to the fitment and a screen is removably coupled to the brim. Thus, the screen hangs downwardly from the brim when the fitment is worn on the user's head. The screen has a length of at least 14.0 inches such that the screen covers the user's face and chest when the fitment is worn around the user's head. The screen is comprised of a one-way see through material to conceal the user's face and chest from observers. In this way the user can sleep discretely on public or private transportation.

Abstract: A wavefront aberration of an eye is determined, e.g., in real time. The eye is illuminated, and the light reflected from the retina is converted into spots with a device such as a Hartmann-Shack detector. The displacement of each spot from where it would be in the absence of aberration allows calculation of the aberration. Each spot is located by an iterative technique in which a corresponding centroid is located in a box drawn on the image data, a smaller box is defined around the centroid, the centroid is located in the smaller box, and so on. The wavefront aberration is calculated from the centroid locations by using a matrix in which unusable data can be eliminated simply by eliminating rows of the matrix. Aberrations for different pupil sizes are handled in data taken for a single pupil size by renormalization.

Abstract: A wavefront aberration of an eye is determined, e.g., in real time. The eye is illuminated, and the light reflected from the retina is converted into spots with a device such as a Hartmann-Shack detector. The displacement of each spot from where it would be in the absence of aberration allows calculation of the aberration. Each spot is located by an iterative technique in which a corresponding centroid is located in a box drawn on the image data, a smaller box is defined around the centroid, the centroid is located in the smaller box, and so on. The wavefront aberration is calculated from the centroid locations by using a matrix in which unusable data can be eliminated simply by eliminating rows of the matrix. Aberrations for different pupil sizes are handled in data taken for a single pupil size by renormalization.

Abstract: A wavefront aberration of an eye is determined, e.g., in real time. The eye is illuminated, and the light reflected from the retina is converted into spots with a device such as a Hartmann-Shack detector. The displacement of each spot from where it would be in the absence of aberration allows calculation of the aberration. Each spot is located by an iterative technique in which a corresponding centroid is located in a box drawn on the image data, a smaller box is defined around the centroid, the centroid is located in the smaller box, and so on. The wavefront aberration is calculated from the centroid locations by using a matrix in which unusable data can be eliminated simply by eliminating rows of the matrix. Aberrations for different pupil sizes are handled in data taken for a single pupil size by renormalization.