← Back to Patent Explorer
US3719247A Expired / Lapsed US ⏱️ 0.0 years remaining

Golf cart

Assignee: Individual
•
Filing: 1971-04-07
•
Granted: 1973-03-06
•
Expires: 1991-04-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A collapsible powered two-wheel golf bag cart including a frame, collapsible leg structures on the frame each carrying one wheel, golf bag support means on the frame, a handle on the frame for manipulating the cart, a power unit detachably supported on the frame between the wheels, an electric motor in the power unit, an output shaft from the power unit, a disconnectible coupling for connecting the output shaft to drive one of the cart wheels, a disengageable clutch in the power unit connecting the motor and the output shaft, a battery in the power unit in circuit with the motor, and circuit control means on the handle for energizing the motor forwardly or reversely and for varying the speed of the motor.

Inventors

  • 👤 R Hollis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 03:27
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0026; B62B1/00; B62B1/02; B62B1/04; B62B1/042; A; A63; A63B; A63B55/00; A63B55/60; A63B55/61; A63B2055/615; B62B2202/00; B62B2202/40; B62B2202/404; B62B2205/00; B62B2205/12; B62B2205/123; B62B5/0033; B62B5/0036; B62B5/005; B62B5/0059; B62B5/0066; B62B7/00; Y; Y10; Y10S; Y10S280/00; Y10S280/05

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 133 words
A collapsible powered golf cart, comprising, a. a central upright frame, b. a collapsible leg structure pivotally mounted at each side of a mid portion of the frame each carrying a rotatable wheel, c. golf bag support means disposed on the frame, d. a power unit including a housing removably hung on the frame between the collapsible leg structures, e. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, and f. a manually disconnectible coupling connecting said output shaft and said one wheel so that the cart may be propelled by the power unit and the power unit may be removed from the cart without tools to permit collapse of the cart.
Claim 2
Dependent Claim 133 words
A collapsible powered golf cart, comprising, a. a central upright frame, b. a collapsible leg structure pivotally mounted at each side of a mid portion of the frame each carrying a rotatable wheel, c. golf bag support means disposed on the frame, d. a power unit including a housing removably hung on the frame between the collapsible leg structures, e. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, and f. a manually disconnectible coupling connecting said output shaft and said one wheel so that the cart may be propelled by the power unit and the power unit may be removed from the cart without tools to permit collapse of the cart.
Claim 3
Dependent Claim 133 words
A collapsible powered golf cart, comprising, a. a central upright frame, b. a collapsible leg structure pivotally mounted at each side of a mid portion of the frame each carrying a rotatable wheel, c. golf bag support means disposed on the frame, d. a power unit including a housing removably hung on the frame between the collapsible leg structures, e. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, and f. a manually disconnectible coupling connecting said output shaft and said one wheel so that the cart may be propelled by the power unit and the power unit may be removed from the cart without tools to permit collapse of the cart.
Claim 4
Dependent Claim 133 words
A collapsible powered golf cart, comprising, a. a central upright frame, b. a collapsible leg structure pivotally mounted at each side of a mid portion of the frame each carrying a rotatable wheel, c. golf bag support means disposed on the frame, d. a power unit including a housing removably hung on the frame between the collapsible leg structures, e. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, and f. a manually disconnectible coupling connecting said output shaft and said one wheel so that the cart may be propelled by the power unit and the power unit may be removed from the cart without tools to permit collapse of the cart.
Claim 5
Dependent Claim 30 words
A cart as defined in claim 1 including a disengageable clutch connecting said motor and said output shaft so that the cart may free wheel in event of motor failure.
Claim 6
Dependent Claim 32 words
A cart as defined in claim 1 including a handle extending from an upper portion of the frame, a motor control on the handle, and means connecting the control to the motor.
Claim 7
Dependent Claim 67 words
A collapsible powered golf cart as defined in claim 1, including a. a handle on an upper portion of the frame for manipulating the cart, b. a hand grip detachably mounted on the handle, c. a motor control on the hand grip, and d. a cable connecting the motor control to the motor and removable from the cart with the housing and hand grip as a unit.
Claim 8
Dependent Claim 202 words
A collapsible powered golf bag cart, comprising, a. an upright frame, b. a collapsible leg structure pivotally mounted at each side of a mid portion of the frame each carrying a wheel support bracket and movable toward and away from each other between extended and retracted positions relative to the frame, c. a wheel rotatable on each support bracket, d. golf bag support means disposed on the frame so that the center of gravity of the frame is located forwardly of the axis of the wheels and the lower end of the frame rests on the ground for stability when the cart is unattended, e. a power unit including a housing removably supported on the frame at a position between the leg structures in a position preserving the stability of the cart, f. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, g. a stub shaft rotatable with said one wheel, and h. a disconnectible coupling connecting said output shaft and said stub shaft and detachable from one shaft to permit removal of the power unit for collapse of the cart.
Claim 9
Dependent Claim 202 words
A collapsible powered golf bag cart, comprising, a. an upright frame, b. a collapsible leg structure pivotally mounted at each side of a mid portion of the frame each carrying a wheel support bracket and movable toward and away from each other between extended and retracted positions relative to the frame, c. a wheel rotatable on each support bracket, d. golf bag support means disposed on the frame so that the center of gravity of the frame is located forwardly of the axis of the wheels and the lower end of the frame rests on the ground for stability when the cart is unattended, e. a power unit including a housing removably supported on the frame at a position between the leg structures in a position preserving the stability of the cart, f. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, g. a stub shaft rotatable with said one wheel, and h. a disconnectible coupling connecting said output shaft and said stub shaft and detachable from one shaft to permit removal of the power unit for collapse of the cart.
Claim 10
Dependent Claim 22 words
A cart as defined in claim 5 including a disconnectible brace connecting the housing and the support bracket for the other wheel.
Claim 11
Dependent Claim 24 words
A cart as defined in claim 5 including a disengageable clutch connecting the motor and the output shaft and means for operating the clutch.
Claim 12
Dependent Claim 44 words
A cart as defined in claim 7 including a handle extending from an upper portion of the frame for manipulating the cart, a variable resistance in circuit with the motor, and means on the handle for manipulating the resistance to vary the motor speed.
Claim 13
Dependent Claim 232 words
A collapsible two-wheel powered golf bag cart, comprising, a. a frame, b. a collapsible leg structure pivotally mounted at each side of the frame for movement toward and away from each other and each carrying a rotatable wheel, c. means for maintaining the leg structure extended, d. golf bag support means disposed on the frame so that the center of gravity of the frame is located forwardly of the axis of the wheels and the lower end of the frame engages the ground for stability when the cart is unattended, e. a handle extending from an upper portion of the frame for manipulating the cart, f. a power unit including a housing removably supported on the frame between the leg structures, g. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, h. a disconnectible coupling connecting said output shaft and said one wheel and detachable from said wheel, i. a disconnectible brace connecting the housing and the leg structure for the other wheel and detachable from said wheel, j. a battery in the housing in circuit with the motor, k. an on-off switch on the handle in said circuit for controlling said motor, l. variable resistance means in said circuit, and m. means on the handle for varying said resistance means.
Claim 14
Dependent Claim 232 words
A collapsible two-wheel powered golf bag cart, comprising, a. a frame, b. a collapsible leg structure pivotally mounted at each side of the frame for movement toward and away from each other and each carrying a rotatable wheel, c. means for maintaining the leg structure extended, d. golf bag support means disposed on the frame so that the center of gravity of the frame is located forwardly of the axis of the wheels and the lower end of the frame engages the ground for stability when the cart is unattended, e. a handle extending from an upper portion of the frame for manipulating the cart, f. a power unit including a housing removably supported on the frame between the leg structures, g. a motor unit in the housing including a drive motor and an output shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, h. a disconnectible coupling connecting said output shaft and said one wheel and detachable from said wheel, i. a disconnectible brace connecting the housing and the leg structure for the other wheel and detachable from said wheel, j. a battery in the housing in circuit with the motor, k. an on-off switch on the handle in said circuit for controlling said motor, l. variable resistance means in said circuit, and m. means on the handle for varying said resistance means.
Claim 15
Dependent Claim 24 words
A cart as defined in claim 9 including a disengageable clutch connecting the motor and the output shaft, and means for actuating the clutch.
Claim 16
Dependent Claim 272 words
A collapsible two-wheel powered golf bag cart, comprising, a. a central upright frame, b. a collapsible leg structure pivotally mounted at each side of the frame each carrying a support bracket for a wheel and movable between extended and retracted positions, c. a collapsible handle attached to an upper portion of the frame extendable to a position accessible for manipulating the cart, d. means connecting the handle and the leg structures for extending the latter, e. means for locking the leg structures in extended positions, f. golf bag support means disposed on the frame so that the center of gravity of the frame is located forwardly of the axis of the wheels and the lower end of the frame engages the ground for stability when the cart is unattended, g. a power unit including a housing removably supported on the frame between the wheels, h. a motor unit in the housing including a drive motor and a drive shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, i. a disengageable clutch including an input member driven by said drive shaft and an output member including an output shaft, j. a disconnectible coupling connecting said output shaft and said one wheel, k. a disconnectible brace connecting said housing and said leg structure for the other wheel, l. a battery in the housing in circuit with the motor, m. resistance means in the housing in said circuit, n. an off-forward-reverse switch on the handle and in said circuit for controlling the motor, and o. means on the handle for varying the resistance means in the housing.
Claim 17
Dependent Claim 272 words
A collapsible two-wheel powered golf bag cart, comprising, a. a central upright frame, b. a collapsible leg structure pivotally mounted at each side of the frame each carrying a support bracket for a wheel and movable between extended and retracted positions, c. a collapsible handle attached to an upper portion of the frame extendable to a position accessible for manipulating the cart, d. means connecting the handle and the leg structures for extending the latter, e. means for locking the leg structures in extended positions, f. golf bag support means disposed on the frame so that the center of gravity of the frame is located forwardly of the axis of the wheels and the lower end of the frame engages the ground for stability when the cart is unattended, g. a power unit including a housing removably supported on the frame between the wheels, h. a motor unit in the housing including a drive motor and a drive shaft driven by the motor and projecting outwardly from one side of the housing toward one wheel, i. a disengageable clutch including an input member driven by said drive shaft and an output member including an output shaft, j. a disconnectible coupling connecting said output shaft and said one wheel, k. a disconnectible brace connecting said housing and said leg structure for the other wheel, l. a battery in the housing in circuit with the motor, m. resistance means in the housing in said circuit, n. an off-forward-reverse switch on the handle and in said circuit for controlling the motor, and o. means on the handle for varying the resistance means in the housing.
Claim 18
Dependent Claim 24 words
A cart as defined in claim 11 wherein the resistance means in the housing includes a movable contact adjustable relative to resistances in series.
Claim 19
Dependent Claim 32 words
A cart as defined in claim 12 including a rotatable hand grip on the handle, and a Bowden cable connection from the rotatable griP to the adjustable contact in the resistance means.

References Cited (Backward Citations)

US1764851A Cited
US2879858A Cited
US2888114A Cited
US3199621A Cited
GB1034469A Cited
US3167146A Cited
US3356172A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-03-05 1976-09-04 1977-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-03-05 1980-09-04 1981-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-03-05 1984-09-04 1985-03-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag