US Patent 10293509 Cutting or compression tool

A cutting or compression tool comprises a housing and a driving group for moving a driving piston with respect to the housing, a fixed jaw with a first connecting seat and a second connecting seat for a stationary connection to the housing, a mobile jaw with a first fulcrum seat hinged to the fixed jaw at the second connecting seat and a second fulcrum seat hinged to a first connecting plate connected to the driving piston. The distance between the first connecting seat and the second connecting seat of the fixed jaw is equal to the distance between the first fulcrum seat and the second fulcrum seat of the mobile jaw.