US3698736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined hand and towing trucks
Assignee: Warren Steel Specialties Corp
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Filing: 1970-12-30
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Granted: 1972-10-17
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Expires: 1990-12-30
Abstract
Abstract A combined hand and towing truck comprising a handle portion, wheels connected to the lower end of the handle portion for rolling along a ground surface, the handle portion being swingable through an arc having for its center the axis of the wheels, and means swingable with the handle portion to present a towing connection when the handle portion is in one throwover position in said arc, and to present a hand truck platform when the handle portion is in another throwover position in said arc.
Inventors
- 👤 Robert C Shape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:54
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/12
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
200 words
A throwover dual purpose hand truck comprising: a substantially rectilinear handle upper portion, and a lower portion offset to one side of the longitudinal plane of said handle upper portion, a wheel carrying axle cooperatively associated with said handle Lower portion, a towing connection cooperatively associated with said handle offset portion and offset further from said handle longitudinal plane in the same direction as said handle offset portion, a substantially rectilinear load frame having an outwardly extending platform, and, means connecting said load frame to said handle upper portion for sliding movement between, 1. a first selectable position with the lower portion of said load frame extending freely from said handle upper portion in the longitudinal plane thereof and adjacent said wheels with said platform extending outwardly on the opposite side of said plane adjacent the floor thereby to permit wheeling of a load thereon with said hand truck in a first throwover position, and, 2. a second selectable position wherein said load frame is substantially fully received on said handle upper portion and retracted from a position adjacent said wheels, thereby to permit towing of loads by said towing connection with said hand truck in a second throwover position.
Claim 2
Dependent Claim
200 words
A throwover dual purpose hand truck comprising: a substantially rectilinear handle upper portion, and a lower portion offset to one side of the longitudinal plane of said handle upper portion, a wheel carrying axle cooperatively associated with said handle Lower portion, a towing connection cooperatively associated with said handle offset portion and offset further from said handle longitudinal plane in the same direction as said handle offset portion, a substantially rectilinear load frame having an outwardly extending platform, and, means connecting said load frame to said handle upper portion for sliding movement between, 1. a first selectable position with the lower portion of said load frame extending freely from said handle upper portion in the longitudinal plane thereof and adjacent said wheels with said platform extending outwardly on the opposite side of said plane adjacent the floor thereby to permit wheeling of a load thereon with said hand truck in a first throwover position, and, 2. a second selectable position wherein said load frame is substantially fully received on said handle upper portion and retracted from a position adjacent said wheels, thereby to permit towing of loads by said towing connection with said hand truck in a second throwover position.
Claim 3
Dependent Claim
44 words
a second selectable position wherein said load frame is substantially fully received on said handle upper portion and retracted from a position adjacent said wheels, thereby to permit towing of loads by said towing connection with said hand truck in a second throwover position.
Claim 4
Dependent Claim
44 words
a second selectable position wherein said load frame is substantially fully received on said handle upper portion and retracted from a position adjacent said wheels, thereby to permit towing of loads by said towing connection with said hand truck in a second throwover position.
Claim 5
Dependent Claim
14 words
The construction of claim 1 wherein said load frame is formed from sheet metal.
Claim 6
Dependent Claim
34 words
The construction according to claim 1 wherein said towering connection includes an inverted U-shaped bridge member having its legs connected to said axle with a connector carried by the bight of said bridge member.
Claim 7
Dependent Claim
34 words
The construction according to claim 1 wherein said frame is removably connected to said handle upper portion, whereby it may be removed from said handle upper portion so that only a towing truck remains.
Claim 8
Dependent Claim
44 words
The construction according to claim 1 wherein said frame includes leg portions lying along said handle upper portion, each of said leg portions having a spring-pressed detent to fit in either one of two holes formed at spaced locations on said handle upper portion.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |