US2002044832A1PendingUtilityA1
Powered inertia propelled screed apparatus
Priority: Feb 24, 1999Filed: Aug 24, 2001Published: Apr 18, 2002
Est. expiryFeb 24, 2019(expired)· nominal 20-yr term from priority
Inventors:Jerald Fix
E04F 21/244E01C 19/402
28
PatentIndex Score
0
Cited by
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References
0
Claims
Abstract
A powered inertia propelled screed for leveling, smoothing and spreading material having a power source, motor pulley, motor belt, power reduction pulley, power reduction belt, transfer axle, second power reduction pulley, continuous belt, irregular shaped pulley, idler pulley, arm, stationary bracket, platform, wheels, tracks, control arms and screed whereby the rotation of the irregular shaped pulley causes the powered inertia propelled screed to move back and forth along the tracks by inertia and wherein the screed is moved back and forth along the material.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A powered inertia propelled screed having a screed for leveling, smoothing and spreading material, comprising:
a power source; a platform, having a top portion and a bottom portion, wherein the power source is connected to the top portion of the platform; a first pulley rotatably connected to the power source; a fourth pulley, wherein the fourth pulley is rotatably connected to the top portion of the platform; a continuous belt operatively connected between the first pulley and the fourth pulley; an arm operatively attached to the fourth pulley; and at least one stationary bracket connected to the screed and the arm, wherein the power source rotates the first pulley thereby rotating the fourth pulley with the continuous belt, wherein the fourth pulley moves the arm so that the powered inertia propelled screed can move back and forth along the tracks, which causes the screed to move back and forth.
2 . A powered inertia propelled screed according to claim 1 , further including:
a plurality of wheels operatively attached to the bottom portion of the platform; and a plurality of tracks for receiving the plurality of wheels, wherein the powered inertia propelled screed can move back and forth along the tracks causing the screed to move back and forth.
3 . A powered inertia propelled screed according to claim 2 , further including a left and right control arm operatively connected to the powered inertia
propelled screed, wherein the screed is controlled to level, smooth and spread material.
4 . A powered inertia propelled screed according to claim 1 , wherein the fourth pulley is irregularly shaped.
5 . A powered inertia propelled screed according to claim 3 , further including a throttle cable mounted on either the left or right control arm for varying the speed of the power source wherein controlling the speed of the power source also controls the back and forth movement of the screed.
6 . A powered inertia propelled screed according to claim 1 , further including a power switch connected to the power source for turning power to the power source on or off.
7 . A powered inertia propelled screed according to claim 4 , further including means to reduce speed being transferred between the first and the irregular pulley.
8 . A method for leveling, smoothing and spreading material with a powered inertia propelled screed having a screed comprising:
rotating a first pulley rotatably connected to a power source , wherein the power source is attached to a top portion of a platform; rotating a fourth pulley, rotatably mounted to the top portion of the platform, with a continuous belt attached to the first pulley; moving an arm operatively attached to the fourth pulley and the screed; wherein the powered inertia propelled screed moves back and forth causing the screed to move back and forth.
9 . The method for leveling, smoothing and spreading material according to claim 8 , further including:
means for reducing the speed transferred from the power source.
10 . The method for leveling, smoothing and spreading material according to claim 8 , further including:
moving the powered inertia propelled screed can move back and forth along the tracks causing the screed to move back and forth utilizing a plurality of wheels operatively attached to the bottom portion of the platform and a plurality of tracks for receiving the plurality of wheels.Join the waitlist — get patent alerts
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