← Back to Patent Explorer
US3366104A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary hand-stand apparatus

Assignee: Individual
•
Filing: 1965-10-18
•
Granted: 1968-01-30
•
Expires: 1985-10-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Totsuka Kiyoshi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:09
CPC Classifications
A; A63; A63G; A63G29/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 262 words
A ROTARY HAND-STAND APPARATUS COMPRISING A BASE; A ROTARY FRAME COMPRISING A FRONT RIM AND A REAR RIM CONNECTED TO FACE EACH OTHER BY A NUMBER OF HORIZONTAL CONNECTING RODS, A PAIR OF VERTICAL RODS CONNECTED TO A PAIR OF UPPER AND A PAIR OF LOWER HORIZONTAL CONNECTING RODS, A PAIR OF GRIP RODS ATTACHED TO SAID VERTICAL RODS SO AS TO EXTEND INWARDLY THEREFROM, A PAIR OF ROTARY SHAFTS ROTATABLY MOUNTED ON SAID BASE AND DISPOSED SO AS TO FLANK AND SUPPORT THE RIMS OF SAID FRAME, ROTATION OF SAID SHAFTS BEING EFFECTED BY MEANS OF A TRANSMISSION MECHANISM AND A REDUCTION GEAR ACTUATED BY A MOTOR CONNECTED TO POWER SOURCE; A SUSTAINING SHAFT ROTATABLY MOUNTED ON SAID BASE BETWEEN SAID ROTARY SHAFTS SO AS TO SUSTAIN THE SAID RIMS FROM INSIDE THEREOF; A BODY-SUPPORTING BOARD ATTACHED TO SAID VERTICAL RODS AT SUBSTANTIALLY THE MIDDLE PORTION THEREOF AND HAVING A BAND SECURED THERETO AND EXTENDING INWARDLY THEREFROM; A PLATFORM ATTACHED HORIZONTALLY TO SAID VERTICAL RODS AT A LOWER PORTION THEREOF AND HAVING A PAIR OF FEET-SUSTAINING FITTINGS SECURED THERETO; A PAIR OF FRICTION WHEELS MOUNTED TO SAID ROTARY SHAFTS SO AS TO ENGAGE THE PERIPHERIES OF SAID RIMS; AND A SWITCH MEANS ATTACHED TO ONE OF SAID GRIP RODS AND OPERABLE TO CONNECT AND DISCONNECT SAID MOTOR TO AND FROM THE POWER SOURCE, WHEREBY ENABLING THE RIDER OF THE APPARATUS TO EFFECT A HALF ROTATION OF SAID ROTARY FRAME BY SIMPLE MANIPULATION OF SAID SWITCH MEANS TO KEEP HIS BODY IN A HAND-STAND POSITION CONSECUTIVELY FOR A DESIRED LENGTH OF TIME.
Claim 2
Dependent Claim 262 words
A ROTARY HAND-STAND APPARATUS COMPRISING A BASE; A ROTARY FRAME COMPRISING A FRONT RIM AND A REAR RIM CONNECTED TO FACE EACH OTHER BY A NUMBER OF HORIZONTAL CONNECTING RODS, A PAIR OF VERTICAL RODS CONNECTED TO A PAIR OF UPPER AND A PAIR OF LOWER HORIZONTAL CONNECTING RODS, A PAIR OF GRIP RODS ATTACHED TO SAID VERTICAL RODS SO AS TO EXTEND INWARDLY THEREFROM, A PAIR OF ROTARY SHAFTS ROTATABLY MOUNTED ON SAID BASE AND DISPOSED SO AS TO FLANK AND SUPPORT THE RIMS OF SAID FRAME, ROTATION OF SAID SHAFTS BEING EFFECTED BY MEANS OF A TRANSMISSION MECHANISM AND A REDUCTION GEAR ACTUATED BY A MOTOR CONNECTED TO POWER SOURCE; A SUSTAINING SHAFT ROTATABLY MOUNTED ON SAID BASE BETWEEN SAID ROTARY SHAFTS SO AS TO SUSTAIN THE SAID RIMS FROM INSIDE THEREOF; A BODY-SUPPORTING BOARD ATTACHED TO SAID VERTICAL RODS AT SUBSTANTIALLY THE MIDDLE PORTION THEREOF AND HAVING A BAND SECURED THERETO AND EXTENDING INWARDLY THEREFROM; A PLATFORM ATTACHED HORIZONTALLY TO SAID VERTICAL RODS AT A LOWER PORTION THEREOF AND HAVING A PAIR OF FEET-SUSTAINING FITTINGS SECURED THERETO; A PAIR OF FRICTION WHEELS MOUNTED TO SAID ROTARY SHAFTS SO AS TO ENGAGE THE PERIPHERIES OF SAID RIMS; AND A SWITCH MEANS ATTACHED TO ONE OF SAID GRIP RODS AND OPERABLE TO CONNECT AND DISCONNECT SAID MOTOR TO AND FROM THE POWER SOURCE, WHEREBY ENABLING THE RIDER OF THE APPARATUS TO EFFECT A HALF ROTATION OF SAID ROTARY FRAME BY SIMPLE MANIPULATION OF SAID SWITCH MEANS TO KEEP HIS BODY IN A HAND-STAND POSITION CONSECUTIVELY FOR A DESIRED LENGTH OF TIME.

References Cited (Backward Citations)

FR1146334A Cited
US3286707A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-29 1971-07-31 1972-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-29 1975-07-31 1976-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-29 1979-07-31 1980-01-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag