Back to results
US 5,760,552 AGranted
Method of controlling driving power of double-solenoid electric percussion tools
AssigneesRegitar Power Co., Ltd., Chung-Shan Inst. of Science Technology
InventorsHsing-Theng Chen, Jou-Sheng Hu
Life of this patent
Estimating the term…
Abstract
A method of controlling driving power of a double-solenoid electric percussion tool utilizing the change of energizing time of the first solenoid to control the location of a hammer when the first solenoid is switched to the second solenoid so as to increase the driving power of a percussion tool.
Claims3
A method of controlling driving power of an electric percussion tool, characterized by controlling location of a hammer when a first solenoid is switched to a second solenoid so as to increase driving power of a percussion tool.
Dependencies are inferred from the claim text.