Axially stable retention mechanism for picks and cutting elements

US9890636B2 · kind B2 · utility

Assignees

• SCHLUMBERGER TECHNOLOGY CORPORATION · US
• SMITH INTERNATIONAL, INC. · US

Inventors

• David R. Hall · Provo, US
• Francis Leany · Salem, US
• John J. Pierce · Fort Worth, US
• Youhe Zhang · Spring, US
• Yuri Burhan · Spring, US

Key dates

• Filing date: May 20, 2014
• Grant date: Feb 13, 2018
• Expiry date: May 3, 2035

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B28D1/188
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A cutting element assembly includes a cutting element partially disposed within a support and a retention mechanism disposed between the cutting element and the support, both the axial and radial dimensions of the retention mechanism being deformable.