US3871464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled golf bag cart
Assignee: Individual
•
Filing: 1973-09-12
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Granted: 1975-03-18
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Expires: 1993-09-12
Abstract
Abstract A power driven cart to carry a golf bag and having a pair of transversely spaced rear wheels which are separately powered by electric motors, current being supplied thereto by a pair of storage batteries carried by a low frame at opposite sides thereof to provide stability against tipping. A front wheel centered and forwardly of the frame is steered manually by a rearwardly extending handle having spring means operable to automatically center the wheel for forward movement when the steering handle is released. Variable speed is effected by a control member movably carried upon the handle.
Inventors
- 👤 John W Eden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:36
CPC Classifications
B; B62; B62D; B62D61/00; B62D61/06; B62D61/08; B60; B60K; B60K1/00; B60K1/02; B60L; B60L15/00; B60L15/20; B60L15/2036; B60L50/00; B60L50/50; B60L50/60; B60L50/66; B60L58/00; B60L58/10; B60L58/18; B60L58/21; B62B; B62B3/00; B62B3/001; B62B3/12; B62B5/00; B62B5/0026; B62D1/00; B62D1/02; B62D1/12; B60L2200/00; B60L2200/30; B60L2200/40; B60L2220/00; B60L2220/40; B60L2220/46; B60L2240/00; B60L2240/40; B60L2240/42; B60L2240/421; B62B2202/00; B62B2202/40; B62B2202/404; B62B2301/00; B62B2301/04; B62B5/0069; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y02T10/72; Y10; Y10S; Y10S280/00; Y10S280/05
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
230 words
A power driven cart to carry a golf bag and steered manually by a person walking rearwardly of said cart, said cart comprising in combination, a frame having means to support a golf bag, a pair of wheels rotatably connected to the rear portion of the frame at opposite sides thereof, power means carried by said frame and interconnected to said wheels to drive the same unidirectionally, yoke means supported by the forward end of said frame within a substantially vertical bearing, a steering wheel supported by said yoke, a steering arm pivotally supported by said frame adjacent the rearward end thereof and having a manually engageable handle extending rearwardly therefrom, linkage means connected between said yoke and said steering arm to effect turning of said front wheel by movement of said rearwardly extending steering arm; and steering control means connected to said steering arm and comprising a centering arm extending outwardly relative to the pivot for said steering arm, and spring means connected to said frame and engaging said centering arm to bias the same in a direction to direct said steering wheel in a forward direction when said manually engageable handle is released, said spring means being placed under increased tension when said steering wheel is turned from a forward direction, whereby said increased tension causes said spring to move said centering arm and steering wheel as aforesaid.
Claim 2
Dependent Claim
230 words
A power driven cart to carry a golf bag and steered manually by a person walking rearwardly of said cart, said cart comprising in combination, a frame having means to support a golf bag, a pair of wheels rotatably connected to the rear portion of the frame at opposite sides thereof, power means carried by said frame and interconnected to said wheels to drive the same unidirectionally, yoke means supported by the forward end of said frame within a substantially vertical bearing, a steering wheel supported by said yoke, a steering arm pivotally supported by said frame adjacent the rearward end thereof and having a manually engageable handle extending rearwardly therefrom, linkage means connected between said yoke and said steering arm to effect turning of said front wheel by movement of said rearwardly extending steering arm; and steering control means connected to said steering arm and comprising a centering arm extending outwardly relative to the pivot for said steering arm, and spring means connected to said frame and engaging said centering arm to bias the same in a direction to direct said steering wheel in a forward direction when said manually engageable handle is released, said spring means being placed under increased tension when said steering wheel is turned from a forward direction, whereby said increased tension causes said spring to move said centering arm and steering wheel as aforesaid.
Claim 3
Dependent Claim
50 words
The cart according to claim 1 in which said handle is connected to the upper end of a substantially vertical shaft supported for limited rotation about its axis adjacent the rearward portion of said frame, said centering arm and steering arm being connected to the lower end of said shaft.
Claim 4
Dependent Claim
71 words
The cart according to claim 2 in which said centering arm extends toward the forward end of said frame when said front wheel extends forwardly, said spring means comprising an elongated coiled tension spring connected at one end to the forward end of said centering arm, and anchoring means connected to said frame adjacent the forward portion thereof and the opposite end of said spring being connected thereto under limited tension.
Claim 5
Dependent Claim
86 words
The cart according to claim 3 in which pairs of lateral arms are connected respectively to said yoke and the lower end of said vertical shaft adjacent the rearward end of said frame, the arms of said pairs thereof respectively extending laterally in opposite directions, said linkgage comprising a pair of links extending longitudinally of said frame and spaced transversely relative to said frame, and means connecting the opposite ends of said links respectively to the ends of the laterally extending arms of said pairs thereof.
Claim 6
Dependent Claim
111 words
The cart according to claim 1 in which said wheels at the rearward portion of said frame are spaced apart a substantial distance and said power means comprises a pair of electric motors supported by said frame respectively adjacent said wheels, means connecting said motors respectively to said wheels, a pair of electric batteries carried in side-by-side relationship by the lowest portion of said frame intermediately of the front and rear ends thereof, and spaced apart to dispose the same adjacent the outer side edges of said frame, whereby the weight and location of said batteries and motors upon said frame affords substantial stability to said cart to resist tilting laterally.
Claim 7
Dependent Claim
86 words
The cart according to claim 5 in which speed control means for said motors are connected to said cart, said handle on said steering arm supporting actuating means for said speed control means rotatable about the axes of said handle, and said speed control means comprising a rheostat, a movable arm operable relative to said rheostat to establish selected resistances respectively proportional to a plurality of different speeds, and means connecting said rotatable actuating means on said handle to said movable arm to actuate the same.
Claim 8
Dependent Claim
43 words
The cart according to claim 5 in which the space between said batteries is substantially centrally of said frame, and a compartment open at the top positioned within said space adapted to receive a golf bag and support the same upon said cart.
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) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |