Patent US3115218A successfully refreshed from Google Patents.
US3115218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Band brake for a laundry machine mechanism
Assignee: Borg Warner Corp
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Filing: 1961-06-20
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Granted: 1963-12-24
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Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Charles R Waldrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:46
CPC Classifications
F; F16; F16D; F16D49/00; F16D49/08; D; D06; D06F; D06F23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A BRAKE FOR A LAUNDRY MACHINE DRIVE MECHANISM WHEREIN A SHAFT IS ALTERNATELY URGED FOR FORWARD AND REVERSE OSCILLATING MOVEMENT AND FOR ROTATIONAL REVERSE MOVEMENT WHICH COMPRISES A BRAKE DRUM ON THE SHAFT, A SELF-ENERGIZING BRAKE BAND FRICTIONALLY ENGAGED WITH SAID BRAKE DRUM AND NORMALLY ROTATABLE THEREWITH IN SAID FORWARD AND REVERSE MOVEMENTS OF SAID SHAFT AND OPERABLE TO RESIST SAID MOVEMENTS OF SAID SHAFT WHEN HELD AGAINST ROTATIONAL MOVEMENT, A LATCH ACTUATABLE FOR ENGAGING SAID BRAKE BAND AND SAID SHAFT TO HOLD SAID BRAKE BAND AGAINST SAID MOVEMENTS AND TO HOLD SAID SHAFT AGAINST REVERSE ROTATIONAL MOVEMENT, AND MEANS FOR ACTUATING SAID LATCH.
Claim 2
Dependent Claim
104 words
A BRAKE FOR A LAUNDRY MACHINE DRIVE MECHANISM WHEREIN A SHAFT IS ALTERNATELY URGED FOR FORWARD AND REVERSE OSCILLATING MOVEMENT AND FOR ROTATIONAL REVERSE MOVEMENT WHICH COMPRISES A BRAKE DRUM ON THE SHAFT, A SELF-ENERGIZING BRAKE BAND FRICTIONALLY ENGAGED WITH SAID BRAKE DRUM AND NORMALLY ROTATABLE THEREWITH IN SAID FORWARD AND REVERSE MOVEMENTS OF SAID SHAFT AND OPERABLE TO RESIST SAID MOVEMENTS OF SAID SHAFT WHEN HELD AGAINST ROTATIONAL MOVEMENT, A LATCH ACTUATABLE FOR ENGAGING SAID BRAKE BAND AND SAID SHAFT TO HOLD SAID BRAKE BAND AGAINST SAID MOVEMENTS AND TO HOLD SAID SHAFT AGAINST REVERSE ROTATIONAL MOVEMENT, AND MEANS FOR ACTUATING SAID LATCH.
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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |