Mechanical and acoustical vibration reduction apparatus for turn

Details Mechanical and acoustical vibration reduction apparatus for turn Mechanical and acoustical vibration reduction apparatus for turn

1984-02-17

1987-08-18

Machado, Reinaldo P.

Supports

Resilient support

Including three or more circumferentially arranged resilient...

248638, F16M 1100

Patent

active

046871730

ABSTRACT:
A mechanical and acoustical isolating enclosure for turntables and isolating base for speaker enclosures. A turntable is placed on the base-plate of the apparatus which is then covered and balanced. This in turn, reduces the transmission of mechanical and acoustical vibration (foot steps, doors closing, cabinet and speaker vibration, etc.) to the turntable. It is a double steel tubing frame suspension apparatus with rectangular concentrically arranged tubing frames circular in cross-section. The inner frame hangs from the outer frame by means of synthetic rubber rings which wrap around the two tubular frames at specific balancing points, allowing them to be elastically joined. The resilient load-supporting means and energy-dissipating means are both performed by the synthetic rubber rings. If a turntable and speaker enclosure are both placed on their own separate apparatus during audio playback of a record, a very satisfactory level of vibration reduction can audibly be attained to produce a quieter and more pleasing reproduction from the original source.

REFERENCES:
patent: 833068 (1906-10-01), Lloyd
patent: 1067961 (1913-07-01), Bailey
patent: 1468881 (1923-09-01), Lewis
patent: 2161301 (1939-06-01), Lonig
patent: 2218333 (1940-10-01), Frisk
patent: 2570970 (1951-10-01), Murray
patent: 3204911 (1965-09-01), Lawrence
patent: 3592422 (1971-07-01), Paine
patent: 4401342 (1983-08-01), Anderson

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