Supports – Stand – To hold a particular article
Reexamination Certificate
2005-08-08
2008-12-16
King, Anita M (Department: 3632)
Supports
Stand
To hold a particular article
C248S183100, C248S183200
Reexamination Certificate
active
07464906
ABSTRACT:
An orientatable mounting for optical and/or photo-cinematographic equipment including at least one universal joint having a first and a second joint component which are movably coupled together, a member applying an immobilizing friction load between the joint components including a hydrostatic pressure source and actuator for operative control of the pressure member, and the hydrostatic pressure source including a first and a second piston member. The first piston member acting on one of the joint components and the second piston member capable of being displaced through a selectively controllable actuator to induce a hydrostatic pressure in a fluid source which is to be transferred to the first piston member consequently exerting an immobilizing friction force between the joint components, and the actuator includes a first actuator member for operative control of the second piston member in order to generate the preselected immobilizing load between the joint components and a second separate actuator member to selectively control the second piston member in generating a relative friction load between the joint components independently of the immobilizing load obtained through control of the first actuator member.
REFERENCES:
patent: 1798446 (1931-03-01), Zerk
patent: 2180214 (1939-11-01), Rapp
patent: 2559925 (1951-07-01), Barker
patent: 2672313 (1954-03-01), Poole
patent: 3737130 (1973-06-01), Shiraishi
patent: 4010923 (1977-03-01), Miller et al.
patent: 4886230 (1989-12-01), Jones et al.
patent: 6352228 (2002-03-01), Buerklin
patent: 1 317 518 (1963-02-01), None
patent: 631 690 (1949-11-01), None
International Search Report for PCT/EP2005/008574 dated Nov. 11, 2005.
Temperato Luca
Zarpellon Stelvio
King Anita M
Lino Manfrotto & Co. S.p.A.
RatnerPrestia
LandOfFree
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