US4382566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight aircraft
Assignee: Individual
•
Filing: 1980-12-05
•
Granted: 1983-05-10
•
Expires: 2000-12-05
Abstract
Abstract In a lightweight aircraft having a principal longitudinal load-carrying member, a wing structure mounted on the load-carrying member, a tail rudder and elevator assembly mounted on the load-carrying member, a propeller mounted on the load-carrying member for rotation about the member's longitudinal center line, an engine mounted on the load-carrying member, and means drivingly connecting the engine to the propeller.
Inventors
- 👤 Rolf Brand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:56
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/02; B64C31/024
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
106 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a wing structure mounted on said load-carrying member, a tail rudder and elevator assembly mounted on said load-carrying member, a propeller mounted on said load-carrying member for rotation about a longitudinal centerline of said load-carrying member, at least one engine mounted on said load-carrying member, means drivingly connecting said engine to said propeller, a bearing seat mounted on said load-carrying member, said bearing seat including a bracket section and said engine being mounted on said bracket section, and bearing means mounted on said bearing seat, and said propeller being rotatably mounted on said bearing means.
Claim 2
Dependent Claim
106 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a wing structure mounted on said load-carrying member, a tail rudder and elevator assembly mounted on said load-carrying member, a propeller mounted on said load-carrying member for rotation about a longitudinal centerline of said load-carrying member, at least one engine mounted on said load-carrying member, means drivingly connecting said engine to said propeller, a bearing seat mounted on said load-carrying member, said bearing seat including a bracket section and said engine being mounted on said bracket section, and bearing means mounted on said bearing seat, and said propeller being rotatably mounted on said bearing means.
Claim 3
Dependent Claim
16 words
A lightweight aircraft according to claim 1 wherein said wing is the principal lift generating structure.
Claim 4
Dependent Claim
18 words
A lightweight aircraft according to claim 1 wherein said wing structure is directly mounted on said load-carrying member.
Claim 5
Dependent Claim
23 words
A lightweight aircraft according to claim 1 wherein said propeller is disposed between said wing structure and said tail rudder and elevator assembly.
Claim 6
Dependent Claim
21 words
A lightweight aircraft according to claim 1 further comprising: vibration dampening means disposed between said bearing seat and said load-carrying member.
Claim 7
Dependent Claim
125 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a single-wing wing structure mounted on said load-carrying member, a tail rudder and elevator assembly mounted on said load-carrying member, a propeller mounted on said load-carrying member for rotation about a longitudinal centerline of said load-carrying member, said propeller being disposed between said wing structure and said tail rudder and elevator assembly, a bearing seat mounted on said load-carrying member, bearing means mounted on said bearing seat, said propeller being rotatably mounted on said bearing means, said bearing seat includes a bracket section, at least one engine mounted on said bracket section, connecting means drivingly connecting said engine to said propeller, and vibration dampening means disposed between said bearing seat and said load-carrying member.
Claim 8
Dependent Claim
125 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a single-wing wing structure mounted on said load-carrying member, a tail rudder and elevator assembly mounted on said load-carrying member, a propeller mounted on said load-carrying member for rotation about a longitudinal centerline of said load-carrying member, said propeller being disposed between said wing structure and said tail rudder and elevator assembly, a bearing seat mounted on said load-carrying member, bearing means mounted on said bearing seat, said propeller being rotatably mounted on said bearing means, said bearing seat includes a bracket section, at least one engine mounted on said bracket section, connecting means drivingly connecting said engine to said propeller, and vibration dampening means disposed between said bearing seat and said load-carrying member.
Claim 9
Dependent Claim
15 words
A lightweight aircraft according to claim 6 wherein said bearing means comprises roller bearing means.
Claim 10
Dependent Claim
16 words
A lightweight aircraft according to claim 6 wherein said bearing means comprises split solid bearing means.
Claim 11
Dependent Claim
18 words
A lightweight aircraft according to claim 6, 7 or 8 wherein said connecting means comprises a belt drive.
Claim 12
Dependent Claim
18 words
A lightweight aircraft according to claim 6, 7 or 8 wherein said connecting means comprises a chain drive.
Claim 13
Dependent Claim
18 words
A lightweight aircraft according to claim 6, 7 or 8 wherein said connecting means comprises a gear drive.
Claim 14
Dependent Claim
84 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a wing structure mounted on said load-carrying member, a tail rudder and elevator assembly mounted on said load-carrying member, a sleeve fixedly disposed about said load-carrying member, a propeller rotatably disposed about said sleeve for rotation about a longitudinal centerline of said load-carrying member, at least one engine rigidly mounted on said sleeve, means drivingly connecting said engine to said propeller, and vibration dampening means disposed between said sleeve and said load-carrying member.
Claim 15
Dependent Claim
84 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a wing structure mounted on said load-carrying member, a tail rudder and elevator assembly mounted on said load-carrying member, a sleeve fixedly disposed about said load-carrying member, a propeller rotatably disposed about said sleeve for rotation about a longitudinal centerline of said load-carrying member, at least one engine rigidly mounted on said sleeve, means drivingly connecting said engine to said propeller, and vibration dampening means disposed between said sleeve and said load-carrying member.
Claim 16
Dependent Claim
134 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a wing structure mounted on said load-carrying member, a rudder and elevator assembly mounted on said load-carrying member aft of said wing structure, a propeller means mounted on said load-carrying member for rotation about a longitudinal centerline of said load-carrying member, said propeller means being disposed between said wing structure and said rudder and elevator assembly, a bearing seat mounted on said load-carrying member, a bearing means mounted on said bearing seat, said propeller means being rotatably mounted on said bearing means, said bearing seat including a bracket section, at least one engine mounted on said bracket section, a connecting means drivingly connecting said engine to said propeller means, and a vibration dampening means disposed between said bearing seat and said load-carrying member.
Claim 17
Dependent Claim
134 words
A lightweight aircraft comprising: a longitudinally disposed, principal longitudinal load-carrying member, a wing structure mounted on said load-carrying member, a rudder and elevator assembly mounted on said load-carrying member aft of said wing structure, a propeller means mounted on said load-carrying member for rotation about a longitudinal centerline of said load-carrying member, said propeller means being disposed between said wing structure and said rudder and elevator assembly, a bearing seat mounted on said load-carrying member, a bearing means mounted on said bearing seat, said propeller means being rotatably mounted on said bearing means, said bearing seat including a bracket section, at least one engine mounted on said bracket section, a connecting means drivingly connecting said engine to said propeller means, and a vibration dampening means disposed between said bearing seat and said load-carrying member.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-05-09 | 1986-11-08 | 1987-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-09 | 1990-11-08 | 1991-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-09 | 1994-11-08 | 1995-05-10 | $7700.00 | Window Closed / Lapsed |