Back to results
US 7,070,550 B1Granted
Transmission mechanism for tool changing device
OwnerYing Suninventor
Life of this patent
Estimating the term…
Abstract
A tool changing device includes a conjugate cam composed of two plate cams and the conjugate cam is mounted to the cam axle. The two plate cams are operatively engaged with two rollers on two sides of a gear so that the gear is periodically rotated to drive the tool shaft which is rotated and precisely positioned to change the tools as expected.
Claims5
A tool changing device comprising:
- a body with a motor connected to an outside of the body, a cam axle received in the body and driven by the motor;
- a conjugate cam having two plate cams on the cam axle;
- an externally-toothed gear connected to the body and two rollers located on two sides of the gear, the two rollers operatively engaged with the two plate cams so as to drive the gear periodically, and
- a tool shaft pivotably connected in the body and an end of the tool shaft extending through the body, two catch ends defined in two ends of the end of the tool shaft, the tool shaft in the body having a threaded portion which is engaged with the gear so that the tool shaft is driven by the gear.
1 more element
Dependencies are inferred from the claim text.