Title:
LIFTING AND SHORING JACK ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/1995/018280
Kind Code:
A1
Abstract:
A lifting and shoring jack assembly includes a main support assembly having a main column (3), a jack screw (4) slidably mounted within the main column, and a jack nut (5) engaged with the jack screw and bearing on the end of the main column. A load plate (6) mounted at the free end of the jack screw (4) facilitates engagement of the jack assembly with a load to be supported. Extensible side braces (7) are pivotally mounted on the main column (3), and also include load engaging plates (6A) for load-bearing attachment to the load to be supported.
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Inventors:
SKOURAS JOSEPH A (CA)
Application Number:
PCT/CA1994/000709
Publication Date:
July 06, 1995
Filing Date:
December 23, 1994
Export Citation:
Assignee:
SKOURAS JOSEPH A (CA)
International Classes:
E04G23/06; E04G25/04; (IPC1-7): E04G23/06; E04G25/04
Foreign References:
| CH654872A5 | 1986-03-14 | |||
| CH299640A | 1954-06-30 | |||
| DE1909648A1 | 1970-09-17 | |||
| US4872634A | 1989-10-10 | |||
| CH143932A | 1930-12-15 |
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