Equilibrator for universal head

Details Equilibrator for universal head Equilibrator for universal head

1987-05-21

1988-09-20

Talbott, David L.

Supports

Resilient support

Adjustable preloading of resilient means

248185, 2482921, 354293, F16M 1300

Patent

active

047719796

ABSTRACT:
An equilibrator for a universal head which is simple in construction, light-weight, and small-sized. The equilibrator includes a cylindrical cam which has an axis extending in a substantially horizontal direction, and is mounted on a base so as to be rotatable about the axis, and having a cam surface formed on an end thereof, in addition to a compression spring which is arranged so as to be substantially coaxial with the cylindrical cam and resiliently engaged with the cam surface of the cylindrical cam. The cam surface has a configuration sufficient to allow the balance between the force transmitted to the cam surface due to the inclination of the universal head and the restoring force of the spring, to be kept at any inclination of the universal head.

REFERENCES:
patent: 1862755 (1932-06-01), Madsen
patent: 3223376 (1965-12-01), Ciuffini et al.
patent: 3385550 (1968-05-01), Doerner
patent: 3845928 (1974-11-01), Barrett et al.
patent: 4447033 (1984-05-01), Jaumann et al.
patent: 4466590 (1984-08-01), Parks et al.
patent: 4673268 (1987-06-01), Wheeler et al.

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