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US3734536A Expired / Lapsed US ⏱️ 0.0 years remaining

Tow bar means

Assignee: GREEN BALL BEARING Co
•
Filing: 1970-08-17
•
Granted: 1973-05-22
•
Expires: 1990-08-17
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Abstract

Abstract A formed tow bar for trailering utility carts behind two-wheel cycles adapted to be operatively attached to the lowermost cycle frame member disposed below the axis of the wheels and forward of the rear cycle wheel and further adapted to be secured to the utility trailer whereby the formed two-bar is maintained substantially horizontal to the ground during trailering.

Inventors

  • 👤 J Dever
  • 👤 H Tenan
  • 👤 G Finley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:18
CPC Classifications
B; B62; B62K; B62K27/00; B62K27/10; B62K27/12; B62K27/003

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 204 words
A utility trailer adapted to be towed behind a two-wheel cycle having a lower frame member disposed forwardly of the rear cycle wheel and below the level of the rear cycle wheel axis, said trailer comprising: a load support portion having a pair of laterally spaced wheels; tow bar means secured to said trailer midway between said spaced wheels for connecting the trailer to the cycle; said tow bar means comprising a forward hitching means, a laterally offset medial portion, and a rearward hitching portion, all disposed substantially in the same plane; said rearward hitching portion including an elongated member located substantially in-line with said forward hitching means and connected to the fore-and-aft center line of the utility trailer; said elongated member securely attached to said trailer whereby said formed tow bar is maintained substantially horizontal and in-line during trailering; said forward hitching means disposed forwardly of the rear cycle wheel and adapted to be operatively mounted to said cycle lower frame member; said forward hitching means including universal movement means; whereby the cycle may be turned and banked while the tow bar means is maintained substantially horizontal to the ground and the trailer is maintained substantially in-line with operative connection to the cycle.
Claim 2
Dependent Claim 204 words
A utility trailer adapted to be towed behind a two-wheel cycle having a lower frame member disposed forwardly of the rear cycle wheel and below the level of the rear cycle wheel axis, said trailer comprising: a load support portion having a pair of laterally spaced wheels; tow bar means secured to said trailer midway between said spaced wheels for connecting the trailer to the cycle; said tow bar means comprising a forward hitching means, a laterally offset medial portion, and a rearward hitching portion, all disposed substantially in the same plane; said rearward hitching portion including an elongated member located substantially in-line with said forward hitching means and connected to the fore-and-aft center line of the utility trailer; said elongated member securely attached to said trailer whereby said formed tow bar is maintained substantially horizontal and in-line during trailering; said forward hitching means disposed forwardly of the rear cycle wheel and adapted to be operatively mounted to said cycle lower frame member; said forward hitching means including universal movement means; whereby the cycle may be turned and banked while the tow bar means is maintained substantially horizontal to the ground and the trailer is maintained substantially in-line with operative connection to the cycle.
Claim 3
Dependent Claim 39 words
The utility trailer set forth in claim 1 wherein said offset medial portion includes a rearwardly angled substantially straight portion extending into a substantially right angle portion; and said right angle portion extending into a transversely disposed rearward portion.
Claim 4
Dependent Claim 26 words
The utility trailer set forth in claim 1 wherein the elongated rearward hitching portion includes means for detachably coupling the tow bar to the utility trailer.
Claim 5
Dependent Claim 60 words
The utility trailer of claim 1 wherein the trailer includes a vertical means secured to said load bearing platform; handle members secured to said vertical means; and said elongated rearward portion of the tow bar including means for detachably coupling the tow bar to the trailer whereby the utility trailer may be easily detached and converted into a two-wheel truck.
Claim 6
Dependent Claim 67 words
A utility trailer as set forth in claim 1: said means connecting said rear hitching portion to said trailer comprising a detachable coupling; said detachable coupling comprising a tubular member rigidly fixed to said trailer along said fore-and-aft center line; said rear hitching portion comprising an elongated part adapted to be telescoped into said tubular member; and means detachably retaining said elongated part in said tubular member.

References Cited (Backward Citations)

US2370988A Cited
US2468894A Cited
GB190222157A Cited
FR837476A Cited
US2515564A Cited
US2580112A Cited
US2612388A Cited
US2747892A Cited
US3227467A Cited
US3347559A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-21 1976-11-20 1977-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-21 1980-11-20 1981-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-21 1984-11-20 1985-05-22 $7700.00 Window Closed / Lapsed

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