Hook holder for holding scaffolding elements to a scaffold

Details Hook holder for holding scaffolding elements to a scaffold Hook holder for holding scaffolding elements to a scaffold

2007-06-12

2007-06-12

King, Anita M. (Department: 3632)

Supports

Brackets

Specially mounted or attached

C248S074100, C182S222000

Reexamination Certificate

active

10475235

ABSTRACT:
Holding hook for a mutual blocking position retaining of a first type of a scaffold elements (4) at a second type of scaffold elements (5) in a scaffold and consisting of a holding part811) that relative to an axis (9) is pivotally applied to a fixed holding part (2). This pivotally applied holding part (11) is shiftable between a holding position in which the pivoted holding part is blocked and a releasing position for the scaffold elements. The pivoted holding part (11) is also displaceable along the axis (9) and is equipped with a blocking part (13), that at a first axial displacement position in the blocking position of the holding hook blocks the pivoted holding part in its holding position by impace towards a fixed blocking surface (27) in the fixed holding part. In a second axial displacement position outside the blocking surface (27), the pivoted holding part is allowed to be shifted to a releasing position.

REFERENCES:
patent: 900889 (1908-10-01), Schuster
patent: 2068902 (1937-01-01), Blunt
patent: 2811395 (1957-10-01), Jagiel
patent: 2997767 (1961-08-01), Grover et al.
patent: 3640498 (1972-02-01), Aleks
patent: 4426171 (1984-01-01), Layher
patent: 4700437 (1987-10-01), Hoshino
patent: 5988318 (1999-11-01), Krause
patent: 6168345 (2001-01-01), Legge
patent: 6283425 (2001-09-01), Liljevik
patent: 6530456 (2003-03-01), Wallther
patent: 0106492 (1984-04-01), None
patent: WO-94/23153 (1994-10-01), None

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