Roy W Sweat

US Patent:

44612869, Jul 24, 1984

Filed:

Mar 15, 1982

Appl. No.:

6/357979

Inventors:

Roy W. Sweat - Duluth GA

International Classification:

A61F 500

US Classification:

128 69

Abstract:

A chiropractic instrument comprises an elongated hollow tubular housing, an elongated thrust pin mounted within said housing and having one end projecting outwardly through one end of said housing, a percussion device reciprocably mounted within said housing and arranged with one part thereof normally spaced from the inner end of said thrust pin, releasable latch means arranged so as normally to secure said percussion device against reciprocable movement within said housing, and energy storage means arranged to impart bodily movement to said percussion device toward and into impingement with the inner end of said thrust pin in coordination with release of said latch means so as to establish an impulse wave along the length of said thrust pin without imparting significant bodily movement thereto.