Lifting and handling tool for rotary roller bits

- Fagersta Secoroc AB

Latest Fagersta Secoroc AB Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view inwardly from the bottom of the lifting and handling tool for rotary roller bits according to the present invention;

FIG. 2 is a perspective from the top of the lifting and handling tool for rotary roller bits;

FIG. 3 is a top plan view of the tool as shown in FIGS. 1 and 2;

FIG. 4 is a bottom plan view of the tool as shown in FIGS. 1 and 2.

The body of the tool is cylindrical.

Referenced Cited
U.S. Patent Documents
D224080 July 1972 Lawson
2842019 July 1958 Huser
Patent History
Patent number: D248535
Type: Grant
Filed: Oct 19, 1976
Date of Patent: Jul 18, 1978
Assignee: Fagersta Secoroc AB (Fagersta)
Inventors: Arne Sjostrom (Fagersta), Alf Svanstrom (Fagersta)
Primary Examiner: Alan P. Douglas
Attorney: Murray Schaffer
Application Number: 5/733,932
Classifications
Current U.S. Class: D 8/14
International Classification: D0805;