Rotary tool

Details Rotary tool Rotary tool

1983-04-13

1985-04-30

Kazenske, E. R.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

173163, 74674, 81467, B25B 23145

Patent

active

045138273

ABSTRACT:
The rotary tool contains a gear portion (16) whose input shaft (26) is driven by a hydraulic motor. The input shaft (26) is coupled with the output shaft (31) via an overload clutch (35,36,42) to ensure that with a low load, the transmission ratio is 1:1. With a higher load, the overload clutch automatically disengages so that the drive will be effected from the input shaft (26) via a double-stage sun-and-planet gear to the output shaft (31) which then is turning at a lower speed. Between the first stage (I GS) and the second stage (II GS) of the reduction gear, there is an overrunning clutch (52) which only couples with each other the two gear stages if the output shaft (31) turns more slowly than the input shaft (26).

REFERENCES:
patent: 2834442 (1958-05-01), Sturrock
patent: 2951389 (1960-09-01), Wille
patent: 3331452 (1967-07-01), Wanner
patent: 3398611 (1968-08-01), Hahren
patent: 3722300 (1973-03-01), Crooks
patent: 4095488 (1978-06-01), Nilsson
patent: 4108252 (1978-08-01), Stroezel
patent: 4304152 (1981-12-01), Michling
patent: 4328871 (1982-05-01), Gluskin

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