Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1989-07-21
1990-09-25
Skaggs, H. Grant
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
182179, 403 49, 403256, 52638, B66B 702
Patent
active
049587021
ABSTRACT:
A span member for supporting scaffolding platforms in scaffolding using support posts that have perforated disks for mounting connecting heads. The span member includes a light-metal U-shaped beam with supporting edge webs on vertical legs thereof. The connecting head, shaped in many areas in a space saving manner and with a disk slot, includes welding flaps which abut inner surfaces of the vertical legs and are fastened thereto with a welded seam at the top.
REFERENCES:
patent: 4417769 (1983-11-01), Chelin
patent: 4595077 (1986-06-01), Buttgereit
Noland Kenneth
Skaggs H. Grant
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