Patent US3563397A successfully refreshed from Google Patents.
US3563397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven wheelbarrow and detachable brick lift
Assignee: Individual
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Filing: 1969-05-12
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Granted: 1971-02-16
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Expires: 1989-05-12
Abstract
Abstract A power-driven wheelbarrow and brick transporting device comprising a motor-driven carriage supporting a wheelbarrow for mortar and a lift for brick and/or building block whereby mortar and a stack of brick and/or building block can be moved about together on a building site, and the brick lift can be detached from the wheelbarrow when it is desired to use the wheelbarrow by itself.
Inventors
- 👤 Fred C Bause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:29
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; B; B60; B60P; B60P9/00; B62; B62B; B62B1/00; B62B1/18; B62B1/20; B62B3/00; B62B3/10; B62B3/108; B62B5/00; B62B5/0026; B66; B66B; B66B9/00; B66B9/16; B66F; B66F9/00; B66F9/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
307 words
A power-driven wheelbarrow with a manual operable lift for transporting mortar and brick comprising: a chassis supported on rotatable tired wheels disposed on each side of said chassis; an engine secured on said chassis connected to a driving sprocket; said driving sprocket connected to and driving a driven sprocket; said driven sprocket rotatable on a shaft for said tired wheels and said shaft rotatable in bearing blocks secured on said chassis; a clutch slidably retained on said shaft for engagement with said driven sprocket to drive said shaft and tired wheels; a bifurcated yoke rotatably secured on said chassis and rotatable about a vertical axis relative to a horizontal axis of said chassis; said bifurcated yoke supporting a single rotatable tired wheel; handles secured to said chassis to direct the movement of said wheelbarrow together with said lift; said lift detachably secured to said chassis and movable with said wheelbarrow; said lift having a frame slidable up and down in relation to said chassis and a base of said lift; tines secured at the bottom of said frame for supporting and transporting a pallet of brick; said frame slidably retained in tubular members that are fixed to and integral with the base for said lift; said base for said lift secured on spaced swivel casters facilitating movement of said lift with said wheelbarrow; an elevating screw, rotatably retained in a foot bearing, inhibited from vertical movement in relation to said base and tubular members; said foot bearing secured and fixed to said base, inhibited from movement in relation to said tubular members; threaded nuts secured on said frame and movable therewith; said nuts and frame being movable longitudinally of said elevating screw and said base when said elevating screw is rotated; and said wheelbarrow and lift secured together to transport mortar and a load of brick simultaneously.
Claim 2
Dependent Claim
307 words
A power-driven wheelbarrow with a manual operable lift for transporting mortar and brick comprising: a chassis supported on rotatable tired wheels disposed on each side of said chassis; an engine secured on said chassis connected to a driving sprocket; said driving sprocket connected to and driving a driven sprocket; said driven sprocket rotatable on a shaft for said tired wheels and said shaft rotatable in bearing blocks secured on said chassis; a clutch slidably retained on said shaft for engagement with said driven sprocket to drive said shaft and tired wheels; a bifurcated yoke rotatably secured on said chassis and rotatable about a vertical axis relative to a horizontal axis of said chassis; said bifurcated yoke supporting a single rotatable tired wheel; handles secured to said chassis to direct the movement of said wheelbarrow together with said lift; said lift detachably secured to said chassis and movable with said wheelbarrow; said lift having a frame slidable up and down in relation to said chassis and a base of said lift; tines secured at the bottom of said frame for supporting and transporting a pallet of brick; said frame slidably retained in tubular members that are fixed to and integral with the base for said lift; said base for said lift secured on spaced swivel casters facilitating movement of said lift with said wheelbarrow; an elevating screw, rotatably retained in a foot bearing, inhibited from vertical movement in relation to said base and tubular members; said foot bearing secured and fixed to said base, inhibited from movement in relation to said tubular members; threaded nuts secured on said frame and movable therewith; said nuts and frame being movable longitudinally of said elevating screw and said base when said elevating screw is rotated; and said wheelbarrow and lift secured together to transport mortar and a load of brick simultaneously.
Claim 3
Dependent Claim
138 words
A power-driven wheelbarrow with a manual operable lift for transporting mortar and brick as set forth in claim 1 comprising: a tongue extending horizontally from said base; said tongue detachably secured within a rectangular receptacle secured on said chassis; a slot, in an abutment, fixed on an upper surface of said tongue, detachably engaging an upper edge of said rectangular receptacle; another slot, in a latch, rotatably mounted on said tongue for engaging another edge of said rectangular receptacle to detachably retain said rectangular section within and between said slots, and; a slidable threaded drawbar rotatably secured to said latch to draw said latch into engagement with said other edge; and said drawbar having a threaded hand wheel to rotate said latch and clamp said rectangular section between said slots to removably secure said wheelbarrow and lift together.
Claim 4
Dependent Claim
85 words
A power-driven wheelbarrow with manual operable lift for transporting mortar and brick as set forth in claim 1 wherein said lift detachably secured to said chassis and movable with said wheelbarrow further comprises: detachable means for securing said lift to said wheelbarrow; said detachable means having an extension on said base for removably securing said lift to said wheelbarrow; latch means clamping said lift to said wheElbarrow; and means on said extension for rotating said latch means to removably secure said lift to said wheelbarrow.
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |