Patent US-1915-1145526

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"The invention consists, primarily, [of a] novel flying machine or aeroplane provided with a gyro-plane [and] various arrangements and combinations of the several devices and parts . . ."

"The gyroplane [is to be operated] either by motor-power or by hand, so that in case of [an] accident to the motor, the gyroplane may be kept in revolution by means of hand-power" while the operator controls a glide to earth.

Objectives of the invention:

  • "provide a novel and simply constructed mechanism by means of which the propeller may be disconnected from the motor allowing the gyro-plane only to be operated, and thus enabling the operator to raise the machine directly from the ground without first gaining sufficient momentum by the use of wheels and the exerted motor-power for driving the same, and when the flying machine has risen to any desired height the propeller may be engaged in connection with the gyro-plane."
  • "provide in connection with a flying machine, a gyro-plane which . . . maintains [its] stability . . . when struck by sudden gusts of wind."
  • "provide a series of operated blades in the gyro-plane which enable the operator to lower or raise the machine without the use of'l the raising or lowering planes situated at the extremities of the machine; and furthermore, the blades may be set at any desired angle, when the machine is in forward motion, to offset the lifting power of the gyro-plane and enable the operator to maintain his desired height."

Tech classifications: CPC B64C23/005 Influencing air-flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds

  • Inventor location: Broadway, Essex county, NJ (FIPSloc=34013, imputed by HistPat)
  • Assignee info: 1/3 to each of these two: Clayton Timbrell of Rutherford, NJ, and Albert Harding of Newark, NJ


Year filed 1912
Year granted 1915
Office US
Patent number 1145526
Inventors John H. Timbrell
Inventor country US
Applicant person Albert J. Harding, Clayton C. Timbrell, John H. Timbrell
Applicant firm
Applicant type INDIV
Applicant is inventor? No
Original title Flying-machine
English title Flying machine
Tech fields gyroplane
Filing date 1912/08/09
Full specification filed date
Application number 1912714149
Grant date 1915/07/06
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Fraentzel and Richards
Assigned to
National tech categories USPC 244/35R, USPC 244/6
CPCs CPC B64C23/005
Family year 1912
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 47721030
INPADOC family ID 44011008
Number of text pages 5
Number of diagram pages 4
Number of figures 6
Number of claims 4