Patent ID: 6244085
Filing Date: 2001-06-12
Classification: B25B

Abstract:
In a pressing tool, for connecting pipe-shaped workpieces, having a fork-shaped receiver, a clamping tool, interchangeably held in the receiver by a connecting bolt and having two clamping jaws which can be moved toward each other, and by a drive motor for operating the clamping tool, wherein the connecting bolt can be pushed through bores in the fork-shaped receiver and in the clamping tool for maintaining the clamping tool exchangeably in the fork-shaped receiver, the improvement comprising:a contactless electronic tracing device being one of an optically operating sensor and an acoustically operating sensor arranged in the fork-shaped receiver which determines a relative position of the clamping jaws in relation to the fork-shaped receiver and passes a signal to at least one of an optical warning device and an acoustical warning device, the fork-shaped receiver having two at least approximately parallel jaws, and a sensor element is arranged in each of the jaws from which one of a passage and an interruption of the signal from the one jaw to the other jaw can be checked.