Method of obtaining periodical impacts in one direction

Details Method of obtaining periodical impacts in one direction Method of obtaining periodical impacts in one direction

1975-10-30

1978-02-28

Scott, Samuel

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

F16H 3300

Patent

active

040758958

ABSTRACT:
The invention relates to a method of obtaining mechanical periodic oscillations shocks, used particularly in vibrators for compaction of concrete mixes and other materials.
A method according to the invention consisting in setting into rotary motion of at least two eccenters is characterized in that the eccenters are set into rotary motion with various speeds and phase displacements so that the sum of centrifugal forces in the set-up direction provides periodical oscillating motion in whose each period at least once all centrifugal forces of revolving eccenters, or the plurality of centrifugal forces coincide simultaneously with the set-up sense and operation direction, or directions parallel to each other.

REFERENCES:
patent: 3054463 (1962-09-01), Bodine
patent: 3302470 (1967-02-01), Raniszewski
patent: 3486387 (1969-12-01), Bray, Jr.
patent: 3564932 (1971-02-01), LeBelle

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