Patent ID: 6254074
Filing Date: 2001-07-03
Classification: B25B

Abstract:
A clamping device for use in the building industry, in the field of metal structure work and in the field of carpentry comprising a first element and a second element which are arranged symmetrical to each other, said elements each having a first end, a substantially straight part extending from said first end to an inwardly curved second end, said first ends being pivotally connected to each other and said second ends facing each other and being mutually constrained from movement relative to each other by an adjustable length, spring loaded connecting means connected to said first element and to said second element intermediate said first and second ends of each element, said device being designed to operate from a resting position in which said first element is pivotally connected with said second element and from a working position in which said first element and said second element clampingly or gripingly engage an object, said second element having hooking means fixed to said straight part intermediate said first and second ends and said adjustable length spring loaded connecting means comprises a chain which hooks with said hooking means and a spring, one end of which is connected to an eyelet fixed to said straight part of said first element intermediate said first and second ends of said first element and the other end of which is connected with said chain.