Mechanical guns and projectors – Centrifugal – Mechanical
Patent
1974-09-11
1976-04-13
Pinkham, Richard C.
Mechanical guns and projectors
Centrifugal
Mechanical
124 36, 124 30R, F41B 304
Patent
active
039497283
ABSTRACT:
A clay pigeon trap comprises a shaft member, provided with an adjustable support mounting, which carries at one end a casing containing a bearing providing a pivot mounting for an angularly movable throwing arm and tensioning apparatus for spring loading the throwing arm prior to a throwing stroke. The throwing arm has a pivot shaft projecting perpendicularly from its underside to engage in said bearing and the tensioning apparatus includes a freely rotatable tensioning bush within the casing, a helical coil torsion spring coupling the tensioning bush to the pivot shaft within the casing, and a tensioning arm which is detachably secured to the tensioning bush and which projects outside the casing to enable the bush to be turned so as to tension the spring by manipulating the tensioning arm whilst the throwing arm is held alongside the shaft member in its rearwardly directed position.
REFERENCES:
patent: 281356 (1883-07-01), Fischer
patent: 1867578 (1932-07-01), Lorimer
patent: 2925077 (1960-02-01), Luebkeman
Browne William R.
Pinkham Richard C.
Smith, Jr. John C.
Stiga AB
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