Tripod head

Details Tripod head Tripod head

1992-06-04

1995-05-30

Rada, Rinaldi I.

Supports

Stand

To hold a particular article

248185, 248186, 248187, 354293, F16M 1112

Patent

active

054195209

ABSTRACT:
A tripod head comprises a panning braking device having a plurality of braking units with different braking forces which is supported on a panning shaft, and a torque switchover mechanism allowing to freely switch over torque on the side of said braking units; a weight balancer having a plurality of spring units, in which one or a plurality of spiral springs with different elastic forces are incorporated, supported on a tilting shaft and a righting moment switchover mechanism allowing to freely switch over a righting moment against the tilting on the sides of the spring units; a tilting braking device having a plurality of braking units with different braking forces which is supported on said tilting shaft, and a torque switchover mechanism allowing to freely switch over torque on the sides of the braking units; and a sliding plate device having a set spring capable of floating and sinking, the set spring being in contact with one of the side end surfaces of the sliding plate for securing a device such as a camera, a video camera, a movie camera or the like which is slidable in the longitudinal direction against a camera stand, and supporting the sliding plate under pressure.

REFERENCES:
patent: 1898469 (1933-02-01), Tonsor
patent: 2351386 (1944-06-01), Zucker
patent: 2567068 (1951-09-01), Halmer
patent: 3006052 (1961-10-01), Stickney et al.
patent: 3552699 (1971-01-01), Baker
patent: 3612462 (1971-10-01), Mooney et al.
patent: 4083524 (1978-04-01), O'Connor
patent: 4247069 (1981-01-01), Kurz
patent: 4466595 (1984-08-01), O'Connor
patent: 4570887 (1986-02-01), Banister
patent: 4955568 (1990-09-01), O'Connor et al.
patent: 4959671 (1990-09-01), Ishikawa
patent: 4979709 (1990-12-01), Ishikawa
patent: 5222826 (1993-06-01), Hanke

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