Finger ring size adjusting device and method
US6003334A · kind A · utility
Inventor
Key dates
| Filing date | Jun 9, 1997 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Jun 9, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA44C9/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A finger ring size adjustment device comprises a ring shank and a cradle which is biased radially inward from the shank. The cradle is moveable between a retracted position and an adjusted position for reducing the ring size. The ring wearer thus has an adjustable ring shank for easily sliding over an enlarged knuckle or joint and then to a desired fit on the phalanx portion of the finger. The cradle is biased inwardly toward the adjusted position by a leaf spring in an automatically adjustable embodiment and a lever arm in an alternate embodiment. The manually operable lever arm is slidably engaged with the cradle and rotatably connected to the shank for moving the cradle between the retracted and adjusted positions. The lever arm is stored within the body of the shank when holding the cradle in the adjusted position. The leaf spring is carried by the shank and is positioned for biasing the cradle radially inward from the shank to the adjusted position which position is automatically set by the finger of the user. A feature of the invention includes the biasing member and cradle positioned within the boundaries of the shank for permitting the adjustable ring device to be used in j…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.