Dial for a combination lock
OwnerChien-Yung Huanginventor
Life of this patent
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Abstract
The present invention provides a dial for a combination lock, which mainly includes a toothed wheel additionally configured on a side of conventional type dial provided with an internally mounted notched wheel. A plurality of external teeth are circum-located on an outer edge of the toothed wheel, and a center of another notched wheel is provided with a rotating shaft, lateral to which is provided with a notch. A plurality of teeth spacings circum-located on an outer edge of the notched wheel mutually engage with external teeth of the notched wheel of the dial. Accordingly, the dial is able to simultaneously actuate and rotate two notched wheels, thereby improving innovative effectiveness of the combination lock.
Claims7
A dial mechanism for manually dialing an unlocking combination for a combination lock, comprising
- a dial wheel, center of which is a through hole, having external teeth on a first portion, and internal teeth on a second portion;
- a second wheel-shaped member, having external teeth adapted to engage the internal teeth of the dial wheel, and a first engagement;
- and
- a third wheel-shaped member with external teeth adapted to engage the external teeth of the dial wheel and a second engagement, and a solid axial shaft forming an integral body and rotating therewith;
- wherein the first engagement and the second engagement are adapted to engage with and control the position of selected components for a combination lock.
Dependencies are inferred from the claim text.