Title:
Elevator and loading mechanisms
United States Patent 2966996


Inventors:
Friend Jr., John J.
Application Number:
US65667557A
Publication Date:
01/03/1961
Filing Date:
05/02/1957
Assignee:
George, Friend W.
Mary, Friend A.
Primary Class:
Other Classes:
187/256, 193/39, 414/592, 414/612
International Classes:
B66B11/00
View Patent Images:
US Patent References:
2790567Automatic elevating or lowering conveyor1957-04-30
2780373Hoists for building materials1957-02-05
2641371Conveyer system1953-06-09
2548767Boxed produce handling equipment1951-04-10
2220191Elevator1940-11-05
2154853Conveyer mechanism1939-04-18
1949964Conveyer mechanism1934-03-06
1849385Conveying apparatus1932-03-15
1508492Hoisting machine1924-09-16