US4391113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-hand key ring
Assignee: Individual
•
Filing: 1981-08-03
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Granted: 1983-07-05
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Expires: 2001-08-03
Abstract
Abstract This invention relates to a novel key ring holder which can be used with only one hand to remove or replace a key ring full of keys. The invention comprises the key ring holder adapted at one end to fit around a belt loop and at the other end adapted to hold a set of keys on a ring in which there is a button actuated spring which is movable by one finger to open and close a U-shaped slot while other fingers of the same hand remove or replace the key ring on the U-shaped slot.
Inventors
- 👤 Douglas M. Jorgens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:10
CPC Classifications
A; A44; A44B; A44B15/00; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8757
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
91 words
A key ring device adapted to be attached at one end to a piece of clothing and to hold a ring of keys at the other comprising a tubular outer shell, a slot disposed within said outer portion, a U-shaped inner body, a spring disposed within said U-shaped inner body, a button fixedly attached to said U-shaped inner body which button passes through the slot in the outer shell, said inner body comprising a U-shaped key ring holder portion, means to attach the key ring device to a piece of clothing.
Claim 2
Dependent Claim
91 words
A key ring device adapted to be attached at one end to a piece of clothing and to hold a ring of keys at the other comprising a tubular outer shell, a slot disposed within said outer portion, a U-shaped inner body, a spring disposed within said U-shaped inner body, a button fixedly attached to said U-shaped inner body which button passes through the slot in the outer shell, said inner body comprising a U-shaped key ring holder portion, means to attach the key ring device to a piece of clothing.
Claim 3
Dependent Claim
21 words
The device of claim 1 comprising a retaining block fixedly attached within said outer shell for holding the spring in position.
Claim 4
Dependent Claim
26 words
The device of claim 1 in which said means to attach the key ring device is a split ring adapted to fit over a belt loop.
Claim 5
Dependent Claim
19 words
The device of claim 1 in which said means to attach the key ring device is a friction clip.
Claim 6
Dependent Claim
18 words
The device of claim 2 comprising a reinforcing block disposed in said outer shell abutting said U-shaped body.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-04 | 1987-01-03 | 1987-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-04 | 1991-01-03 | 1991-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-04 | 1995-01-03 | 1995-07-05 | $7700.00 | Window Closed / Lapsed |