US3215231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator catch brakes
Assignee: Individual
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Filing: 1962-08-28
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Granted: 1965-11-02
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Lodige Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:27
CPC Classifications
B; B66; B66B; B66B5/00; B66B5/02; B66B5/16; B66B5/18; F; F16; F16D; F16D63/00; F16D63/008; F16D69/00; F16D2069/004; F16D2127/00; F16D2127/08; F16D2127/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A DEVICE FOR TRANSMITTING FRICTIONAL FORCE BETWEEN A FIRST BODY AND A SECOND BODY, SAID BODIES BEING MOVABLE RELATIVE TO EACH OTHER, SID DEVICE COMPRISING FIRST AND SECOND FRICTION-APPLYING MEMBERS CARRIED BY SAID FIRST BODY, MEANS FOR MOVING SAID FRICTION-APPLYING MEMBERS INTO OPERATIVE ENGAGEMENT WITH SAID SECOND BODY INCLUDING MEANS OPERATIVELY CONNECTING SAID FRICTION-APPLYING MEMBERS, EMANS FOR BIASING SAID FIRST FRICTION-APPLYING MEMBER TOWARDS SAID FIRST BODY, AND MEANS FOR GUIDING SID FIRST FRICTION-APPLYING MEMBER IN MOVEMENT AWAY FROM SID FIRST BODY, SID FIRST FRICTIONAPPLYING MEMBER MOVING AWAY FROM SAID FIRST BODY IN AN AMOUNT DETERMINED BY THE FRICTIONAL ENGAGEMENT BETWEEN SAID FIRST FRICTION-APPLYING MEMBER AND SAID SECOND BODY, WHEREBY THE FRICTIONAL FORCE AND THE FORCE OF SAID BIASING MEANS ACTING UPON SID FIRST FRICTION-APPLYING MEMBER ARE MAINTAINED IN SUBSTANTIAL BALANCE.
Claim 2
Independent Claim
130 words
A DEVICE FOR TRANSMITTING FRICTIONAL FORCE BETWEEN A FIRST BODY AND A SECOND BODY, SAID BODIES BEING MOVABLE RELATIVE TO EACH OTHER, SID DEVICE COMPRISING FIRST AND SECOND FRICTION-APPLYING MEMBERS CARRIED BY SAID FIRST BODY, MEANS FOR MOVING SAID FRICTION-APPLYING MEMBERS INTO OPERATIVE ENGAGEMENT WITH SAID SECOND BODY INCLUDING MEANS OPERATIVELY CONNECTING SAID FRICTION-APPLYING MEMBERS, EMANS FOR BIASING SAID FIRST FRICTION-APPLYING MEMBER TOWARDS SAID FIRST BODY, AND MEANS FOR GUIDING SID FIRST FRICTION-APPLYING MEMBER IN MOVEMENT AWAY FROM SID FIRST BODY, SID FIRST FRICTIONAPPLYING MEMBER MOVING AWAY FROM SAID FIRST BODY IN AN AMOUNT DETERMINED BY THE FRICTIONAL ENGAGEMENT BETWEEN SAID FIRST FRICTION-APPLYING MEMBER AND SAID SECOND BODY, WHEREBY THE FRICTIONAL FORCE AND THE FORCE OF SAID BIASING MEANS ACTING UPON SID FIRST FRICTION-APPLYING MEMBER ARE MAINTAINED IN SUBSTANTIAL BALANCE.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |