초록 ▼

A rod-clamping device comprises an impact load transmission assembly which includes a housing having a through axial cavity and a system of jamming elements, a rocoil force take up assembly which includes a housing having a through axial cavity, a collar sleeve, and a system of jamming elements, and

A rod-clamping device comprises an impact load transmission assembly which includes a housing having a through axial cavity and a system of jamming elements, a rocoil force take up assembly which includes a housing having a through axial cavity, a collar sleeve, and a system of jamming elements, and a resilient element adapted to urge the jamming elements in a direction counter to the forces being exerted, the impact load transmission assembly having a sleeve member, each system of the jamming elements in the two assemblies being forced to the housing and the rod being driven by a separate resilient element.

대표청구항 ▼

A rod-clamping means of a percussive air tool for driving into the ground and removing therefrom rod-like elements comprising: an assembly for transmitting impact loads to a rod being driven into the ground; said impact load transmission assembly including a housing having a through axial cavity, a

A rod-clamping means of a percussive air tool for driving into the ground and removing therefrom rod-like elements comprising: an assembly for transmitting impact loads to a rod being driven into the ground; said impact load transmission assembly including a housing having a through axial cavity, a system of jamming elements, and a sleeve; an assembly for taking up recoil forces from the percussive air tool; said recoil force take up assembly including a housing having a through axial cavity, a system of jamming elements and a collar sleeve; and separate resilient means in the said two assemblies for urging said systems of jamming elements to said housings and said rod.