Patent · US Expired

Stabilizer

US4428626A · kind A · utility

10Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1982
Grant dateJan 31, 1984
Priority date
Expiry dateOct 13, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B2200/69
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A well wall engaging member such as a reamer or stabilizer in which the wall engaging parts are releasably retained on the body of the device by mating undercut surfaces between the body and the wall engaging member and are released from the body by moving the wall engaging members lengthwise to a non-undercut section of the body and the wall engaging members are held against such lengthwise movement by a retainer pad secured to the body and blocking longitudinal movement of the wall engaging member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.