A cutting apparatus for hair or fiber protruding from a surface includes a roller, a number of cutting features disposed at an outer peripheral surface of the roller, wherein the number of cutting features is adapted for cutting the hair or fiber when the roller rotates in contact with the filamentous surface or is moved while in contact with the filamentous surface.

The present disclosure concerns a razor head comprising one or more shaving blades and a roller. The roller is adjacent to the shaving blades and includes a plurality of microneedles. A method for skin treatment using this razor head includes a microneedling step with the roller, wherein the microneedles penetrate under the stratum corneum.

The present disclosure concerns a razor head comprising one or more shaving blades and a roller. The roller is adjacent to the shaving blades and includes a plurality of microneedles. A method for skin treatment using this razor head includes a microneedling step with the roller, wherein the microneedles penetrate under the stratum corneum.

A motorized shaving apparatus and head therefor that cuts or trims hair via shearing. In one embodiment, the invention is a shaving apparatus head having a body, a rotary cutter mounted to the body so as to be rotatable about a rotational axis, the rotary cutter having cutting edges that collectively define a reference cylinder about the rotational axis, and a blade mounted to the body so as to extend along a first reference plane that intersects the reference cylinder, the blade positioned so that a user's hairs are sheared between a cutting edge of the blade and the cutting edges of the rotary cutter when the rotary cutter is rotating about the rotational axis.

A motorized shaving apparatus and head therefor that cuts or trims hair via shearing. In one embodiment, the invention is a shaving apparatus head having a body, a rotary cutter mounted to the body so as to be rotatable about a rotational axis, the rotary cutter having cutting edges that collectively define a reference cylinder about the rotational axis, and a blade mounted to the body so as to extend along a first reference plane that intersects the reference cylinder, the blade positioned so that a user's hairs are sheared between a cutting edge of the blade and the cutting edges of the rotary cutter when the rotary cutter is rotating about the rotational axis.

Methods, computer program products, and systems are presented and can include for instance: crowdsourcing data from a plurality of users via a computer network, the data including feedback data regarding digital rights click through documents, wherein each of the users is a party to at least one of the digital rights click through documents; storing the data obtained by the crowdsourcing into a digital rights history repository; examining a digital rights click through document of a certain user, wherein the digital rights click through document controls access to a digital asset, wherein the examining includes using at least a portion of the feedback data of the digital rights history repository; and augmenting content of the digital rights click through document based on a result of the examining.

A shaving head is provided that includes one or more cutting blades and actively driveable skin stretching device arranged behind said cutting blade. The actively driveable skin stretching device operates to reduce the possibility of causing nicks and cuts or skin irritation during a shaving operation. The shaving head provides a pivot axis between the shaving head and a handle that is either attached or attachable to the shaving head. The pivot axis is arranged to be essentially parallel to the cutting blade. By providing the pivot axis, the force ratio between a force applied to the actively driveable skin stretching device and forces applied to other parts of the shaving head may be kept constant for different angles of the handle. This improves the functioning of the actively driveable skin stretching device.

A shaving head is provided that includes one or more cutting blades and actively driveable skin stretching device arranged behind said cutting blade. The actively driveable skin stretching device operates to reduce the possibility of causing nicks and cuts or skin irritation during a shaving operation. The shaving head provides a pivot axis between the shaving head and a handle that is either attached or attachable to the shaving head. The pivot axis is arranged to be essentially parallel to the cutting blade. By providing the pivot axis, the force ratio between a force applied to the actively driveable skin stretching device and forces applied to other parts of the shaving head may be kept constant for different angles of the handle. This improves the functioning of the actively driveable skin stretching device.

A wet shaving device comprising a motor; an actuator configured to vary the speed of the motor; a rotary blade module having at least one cutting element; and a drive train assembly including at least one shaft operatively coupling the motor and the rotary blade module, wherein the at least one shaft may be configured to transfer the rotational movement of the motor to the rotary blade module.

A shaving apparatus (1000) is disclosed in which a rotary cutter (1300) and a fixed blade (350) are used to shear a user's hairs therebetween during a shaving process. Various advancements are disclosed herein, including without limitation accurate positioning of the fixed blade in the head (200A) relative to the contact apex of the rotary cutter, bi-directional rotation of the rotary cutter, a cover-blade assembly for detachable coupling and decoupling from a base component of the head, the use of contact rollers on the head to treat and/or prep the skin and/or hairs for shearing, and a rotary cutter configured to pinch, pull and shear hairs.