Self mountable and extractable ultrasonic/sonic anchor

US7156189B1 · kind B1 · utility

Assignee

• The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · US

Inventors

• Yoseph Bar-Cohen · Pasadena, US
• Stewart Sherrit · La Cañada Flintridge, US

Key dates

• Filing date: Dec 1, 2004
• Grant date: Jan 2, 2007
• Expiry date: Jan 17, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B23B2260/108
• WIPO field: Other consumer goods
• WIPO sector: Other fields

Abstract

Self drilling anchors and related methods and apparatus. In one embodiment an apparatus comprises a drill bit, a hammer mechanism for hammering the drill bit in a first direction and in a second direction, and a selection mechanism for controlling whether, at a given point in time, the drill bit is hammered in the first or second direction.