Title:
Automatic leveling mechanism for hoisting trucks
United States Patent 2653679


Inventors:
Hamilton Jr., Arthur S.
Application Number:
US25275351A
Publication Date:
09/29/1953
Filing Date:
10/23/1951
Assignee:
Hamilton Jr., Arthur S.
Primary Class:
Other Classes:
250/221, 250/239, 271/215, 318/266, 318/480, 414/926
International Classes:
B66F9/02; B66F9/075
View Patent Images:
US Patent References:
2583580Web register control system1952-01-29
2547201Loop control system1951-04-03
0595343N/A1897-12-14