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A method and apparatus are disclosed for providing an electrical ground path on a structure such as a commercial aircraft. The method includes inserting a stud through a hole in a grounding plate or structure; riveting the head of the stud to the grounding plate or structure; and applying an electri

A method and apparatus are disclosed for providing an electrical ground path on a structure such as a commercial aircraft. The method includes inserting a stud through a hole in a grounding plate or structure; riveting the head of the stud to the grounding plate or structure; and applying an electrically compatible build-up of washers, threaded nuts, and an electrical connector over the stud to hold the build-up in electrically conductive contact with the grounding plated or structure. In a preferred embodiment, the stud is threaded and the build-up includes a nut to hold the components in electrically conductive contact with the structure. The stud preferably has an enlarged and flattened head or spade portion with a hole for receiving a rivet. The stud acts as a self-retaining, anti-spin, grounding stud-fastener.

대표청구항 ▼

A method and apparatus are disclosed for providing an electrical ground path on a structure such as a commercial aircraft. The method includes inserting a stud through a hole in a grounding plate or structure; riveting the head of the stud to the grounding plate or structure; and applying an electri

A method and apparatus are disclosed for providing an electrical ground path on a structure such as a commercial aircraft. The method includes inserting a stud through a hole in a grounding plate or structure; riveting the head of the stud to the grounding plate or structure; and applying an electrically compatible build-up of washers, threaded nuts, and an electrical connector over the stud to hold the build-up in electrically conductive contact with the grounding plated or structure. In a preferred embodiment, the stud is threaded and the build-up includes a nut to hold the components in electrically conductive contact with the structure. The stud preferably has an enlarged and flattened head or spade portion with a hole for receiving a rivet. The stud acts as a self-retaining, anti-spin, grounding stud-fastener. ement and said second displacing element are designed as a spiral gears. 6. The series of gear motors with differing output volumes according to claim 1, in which said at least two intermeshing displacing elements are designed as gears with external gearing. 7. The series according to claim 3, in which each of said at least two intermeshing displacing elements of each said individual gear motors of said series exhibit substantially identical dimensions and geometric design. 8. A method of manufacturing gear motors of a motor series comprising: forming a series of basic gear motor units with a certain axial interval between the geometric axes or the theoretical axes of rotation of at least two displacing elements, with a certain defined axial extension of the gearing and with a certain tip circle diameter of the individual displacing elements, each of said basic gear motor units having a housing wherein said at least two displacing elements are located therein, said basic gear motor units differing from each other at least as regards the size of the tip circle diameter of at least one of said at least two displacing elements; and a motor with a lesser output volume reducing the gearing height by removing material from the basic gear motor unit thereby forming a gear.