Screw leader device

The device (1) has a high-strength draw pin (2) structured to be disconnectably coupled to a highly sensitive optical element and movable via a water hydraulic piston to define a prestressing force in the element. The pin is disconnectably coupled to a bleed screw (7) via a threaded connection. The...

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Bibliographische Detailangaben
1. Verfasser:	Weimer, Peter
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	COMBINED OPERATIONS HAND TOOLS MACHINE TOOLS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	The device (1) has a high-strength draw pin (2) structured to be disconnectably coupled to a highly sensitive optical element and movable via a water hydraulic piston to define a prestressing force in the element. The pin is disconnectably coupled to a bleed screw (7) via a threaded connection. The piston is sealed with a set of O-rings (5), and a connecting adaptor (6) releasably couples a high-pressure water hand pump to the device for generating a water hydraulic pressure. A calibrated pressure sensor detects and documents the water hydraulic pressure. An independent claim is also included for a method for prestressing a threaded assembly in a screw prestressing device.