Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Василь Михайлович Мойсишин, Віталій Васильович РисfiledCriticalВасиль Михайлович Мойсишин
Priority to UAU201510271UpriorityCriticalpatent/UA105355U/en
Publication of UA105355UpublicationCriticalpatent/UA105355U/en
Drilling shock absorber comprises a housing, a coil spring, the inner cylinder. For spring the deformation limiters are made in the form of rings. Successively to spring the shell spring is made with a resilient spring material such as rubber.