US3673635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge for internal surface mounting, for doors of pieces of furniture or cabinet doors in general
Assignee: Individual
•
Filing: 1970-07-22
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Granted: 1972-07-04
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Expires: 1990-07-22
Abstract
Abstract A hinge for internal surface mounting, characterized in that comprises two pairs of levers crossing each other, and in particular that each lever of the first pair is pivoted together with the corresponding lever of the second pair, and moreover, the two converging ends of the levers which constitute the first pair are articulated each other, as also articulated each other, as also articulated each other are the two converging ends of the levers constituting the second pair, so as to constitute an articulated parallelogram, whereas the other two ends (diverging) of the first pair of levers are articulated the first on the fixed part of the cabinet and the other on the door, and the (diverging) ends of the second pair of levers are articulated each in a sliding way, the first with respect to the fixed part of the cabinet and the other with respect to the door.
Inventors
- 👤 Livio Cencioni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:20
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/06; E05D3/18; E05D3/186; E05Y; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
194 words
A hinge for doors, particularly for cabinets and the like, consisting of two parts; each of said parts comprising a base element, one of said base elements being fastened to the door and the other to the cabinet; a first lever having one end thereof slidably engaged in a slot in a first one of said base elements; a second lever pivotally connected at one end thereof to said base element, and at an intermediate point thereof to an intermediate point of said first lever, said first lever comprising a pair of parallel spaced plates extending along the sides of said second lever; a third lever having one end pivotally connected to the other end of said first lever and having its other end slidably engaged in a slot in the other of said base elements; a fourth lever pivotally connected at one end thereof to said last-mentioned base element, at an intermediate point thereof to an intermediate point of said third lever, and at its other end to the free end of said second lever, said fourth lever comprising a pair of parallel spaced plates extending along the sides of said third lever.
Claim 2
Dependent Claim
194 words
A hinge for doors, particularly for cabinets and the like, consisting of two parts; each of said parts comprising a base element, one of said base elements being fastened to the door and the other to the cabinet; a first lever having one end thereof slidably engaged in a slot in a first one of said base elements; a second lever pivotally connected at one end thereof to said base element, and at an intermediate point thereof to an intermediate point of said first lever, said first lever comprising a pair of parallel spaced plates extending along the sides of said second lever; a third lever having one end pivotally connected to the other end of said first lever and having its other end slidably engaged in a slot in the other of said base elements; a fourth lever pivotally connected at one end thereof to said last-mentioned base element, at an intermediate point thereof to an intermediate point of said third lever, and at its other end to the free end of said second lever, said fourth lever comprising a pair of parallel spaced plates extending along the sides of said third lever.
Claim 3
Dependent Claim
37 words
A hinge as claimed in claim 1, wherein, in the open position of said hinge, the pivotally connected ends of said first and third levers abut against the pivotally connected ends of said second and fourth levers.
Claim 4
Dependent Claim
51 words
A hinge as claimed in claim 2, said second and fourth levers each having at their pivotally connected ends extending portions, said extending portions being adapted to form in the hinge open position a second abutment with said first and third levers so as to form an essentially rigid beam structure.
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |