Sign up
Title:
Bolt sleeve expanded by wedge and wedging threads
United States Patent 2685221
Inventors:
Lee, Barrett Arthur
Application Number:
US11983549A
Publication Date:
08/03/1954
Filing Date:
10/06/1949
Assignee:
JOY MFG CO
Primary Class:
Other Classes:
405/302.1
International Classes:
E21D21/00
View Patent Images:
US Patent References:
RE22926N/A1947-10-07
2386732Tube mount1945-10-09
1523463Water-meter frost bolt1925-01-20
0895158N/A1908-08-04
0781110N/A1905-01-31
Foreign References:
FR476982A1915-09-15
FR827301A1938-04-25
GB569774A1945-06-07