Patent ID: 7331435

Claim:
A continuously blockable arresting device, comprising: a housing defining a working space and first and second subchambers; a shaft having an end received in said housing and being rotatable about a longitudinal axis in response to a force acting on said shaft from outside of the housing; a swash plate arranged on said shaft such that said swash plate rotates and wobbles when said shaft is rotated; first and second pistons respectively displaceably arranged in said first and second subchambers, said first and second pistons being operatively displaceable in said first and second subchambers in response to rotation of said swash plate; and a first control device arranged between said first subchamber and said working space and a second control device arranged between said second subchamber and said working space, each of said first and second control devices including a blocking valve for respectively connecting a flow from said first and second subchambers to said working space and a passage valve for respectively connecting a flow from the working space to said first and second subchambers.