US4101989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vandal-proof fixture handle
Assignee: Speakman Co
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Filing: 1976-09-16
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Granted: 1978-07-25
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Expires: 1996-09-16
Abstract
Abstract A concealed bore in a faucet handle is arranged to facilitate removal of a recessed cap on the handle covering the screw attaching the handle to the faucet stem.
Inventors
- 👤 Carmen J. Lagarelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:40
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/60; F16K31/602
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
166 words
A vandal-proof handle suitable for attachment to a movable shaft having a central axis, the handle having a central bore surrounding and coacting with the axis of the shaft the axis of the shaft, a recess in the upper portion of the handle aligned with the handle bore, removable retaining means located in the lower portion of said recess for attachment of the handle to the shaft, a removable cap arranged in the upper portion of the recess concealing the retaining means from view of the handle user, a concealed bore through a handle at an angle to the handle bore concealed said bore extending from an external surface of the handle not readily visible to a handle user under normal operation to that portion of the recess above the retaining means and below the cap, whereby the cap can be readily removed only by a device inserted through the concealed bore and into the recess to a point underlying and in contact with the cap.
Claim 2
Dependent Claim
166 words
A vandal-proof handle suitable for attachment to a movable shaft having a central axis, the handle having a central bore surrounding and coacting with the axis of the shaft the axis of the shaft, a recess in the upper portion of the handle aligned with the handle bore, removable retaining means located in the lower portion of said recess for attachment of the handle to the shaft, a removable cap arranged in the upper portion of the recess concealing the retaining means from view of the handle user, a concealed bore through a handle at an angle to the handle bore concealed said bore extending from an external surface of the handle not readily visible to a handle user under normal operation to that portion of the recess above the retaining means and below the cap, whereby the cap can be readily removed only by a device inserted through the concealed bore and into the recess to a point underlying and in contact with the cap.
Claim 3
Dependent Claim
57 words
The vandal-proof handle of claim 1 wherein the top of the cap is flush with the top of the handle and received in a mating annual groove located about the upper periphery of the recess, whereby the cap is not readily removable by a handle user other than by insertion of a device through the concealed bore.
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) | 1981-07-24 | 1982-01-23 | 1982-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-24 | 1986-01-23 | 1986-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-24 | 1990-01-23 | 1990-07-25 | $7700.00 | Window Closed / Lapsed |