대표
청구항
▼
1. A manual snow plow comprising: a scoop for pushing snow and debris from a surface, further comprising: a receptacle having a pair of opposing side walls, a top, a transverse curved rear wall joining said side walls and said top, and an open face;a blade attached to a lower end of said rear wall to scrape said surface and push said snow and debris into said receptacle; and,a means to adjustably secure said blade to said receptacle at a desired forward position and scraping angle, comprising: a plurality of adjustment apertures in each side of said rear...
1. A manual snow plow comprising: a scoop for pushing snow and debris from a surface, further comprising: a receptacle having a pair of opposing side walls, a top, a transverse curved rear wall joining said side walls and said top, and an open face;a blade attached to a lower end of said rear wall to scrape said surface and push said snow and debris into said receptacle; and,a means to adjustably secure said blade to said receptacle at a desired forward position and scraping angle, comprising: a plurality of adjustment apertures in each side of said rear wall lower end arranged adjacent to and parallel to said receptacle side walls;a pair of blade clamps affixed to opposing upper ends of said blade comprising a threaded aperture which aligns with an opposing pair of said plurality of adjustment apertures; and,a threaded fastener to secure said blade to said receptacle;a frame pivotally attached to said scoop for transferring a force exerted by a user to said scoop, further comprising: a pair of outer struts, wherein lower ends of said pair of outer struts are pivotally connected to said scoop;a pair of inner struts, wherein lower ends of said pair of inner struts are in a telescoping relationship with open upper ends of said pair of outer struts;a pair of curved shoulder braces pivotally connected to upper ends of said pair of inner struts;a pair of hand grips adjustably attached to under side surfaces of said pair of outer struts; and,a pair of wheel assemblies for guiding said scoop over uneven areas of said surface:a means to adjust a width of said frame to suit a particular shoulder width of said user; and,a means to adjust a height of said frame to suit a particular height of said user;wherein said scoop comprises a means to pivotably attach said frame to said scoop; and,wherein said blade protrudes past a lower edge of said rear wall. 2. The plow of claim 1, wherein said wheel assemblies comprise: a pair of caster brackets affixed to lower opposing outside ends of said rear wall; and,a pair of casters rotatingly attached to said pair of caster brackets. 3. The plow of claim 1, wherein said means to pivotably attach said frame to said scoop comprises: a pair of strut clevis brackets attached at an upward angle to an exterior upper end of said receptacle rear wall to receive said outer strut lower ends; and,a pair of detent pins removably inserted through a pair of opposing clevis apertures and a pair of lower strut apertures to pivotally connect said pair of outer strut lower ends to said pair of strut clevis brackets. 4. The plow of claim 1, wherein said means to adjust a width of said frame to suit a particular shoulder width of said user further comprises: an outer cross member clevis bracket affixed to an inside face of one of said pair of outer struts to receive an outer cross member;a retainer pin inserted through a pair of opposing outer cross member clevis apertures and a pair of opposing outer cross member apertures to pivotally connect said outer cross member to said outer cross member clevis bracket;an inner cross member clevis bracket affixed to an inside face of an opposing one of said pair of outer struts to receive an inner cross member;a retainer pin inserted through a pair of opposing inner cross member clevis apertures and a pair of opposing inner cross member apertures to pivotally connect said inner cross member to said inner cross member clevis bracket; and,a detent pin removably inserted through one of a plurality of pairs of inner cross member fastening apertures and a pair of opposing outer cross member fastening apertures to secure said cross members in a telescoping relationship at a desired distance between said pair of outer struts. 5. The plow of claim 1, wherein said means to adjust a height of said frame to suit a particular height of said user further comprises: a pair of opposing upper strut apertures in said pair of outer strut upper ends;a plurality of pairs of opposing inner strut apertures in said inner strut lower ends; and,a pair of detent pins removably inserted through said pair of opposing upper strut apertures and one of said plurality of pairs of opposing inner strut apertures to secure said telescoping pairs of inner struts and pairs of outer struts at a desired length. 6. The plow of claim 1, wherein said pair of shoulder braces each comprise: a brace clevis bracket to receive said inner strut upper end; and,a retainer pin inserted through a pair of opposing brace clevis apertures and a pair of opposing inner strut apertures in said inner strut upper end. 7. The plow of claim 6, wherein said pair of shoulder braces further comprise padding on an inner curved surface. 8. The plow of claim 1, wherein said pair of hand grips further comprise: a grip post for being grasped by said user having a threaded upper end;an adjustment rail affixed to said under side surface of each of said pair of outer struts, said adjustment rail comprising a length of C-shaped channel; and,a clamping washer which fits within said adjustment rail to threadingly receive said grip post upper end;wherein said grip post is rotated to draw in said clamping washer, thus clamping C-shaped edges of said adjustment rail between said clamping washer and said grip post at a desired position on said adjustment rail. 9. The plow of claim 1, wherein said scoop comprises: a shovel blade to scrape said surface;a means to pivotably attach said frame to said shovel blade; and,an articulation means to selectively adjust a position of said shovel blade to a selectable angle in relation to said frame. 10. The plow of claim 9, wherein said articulation means comprises: a pair of scoop clevis brackets affixed to a back side surface of said shovel blade;a pair of guide clevis brackets affixed to opposing ends of an elongated connecting beam;a pair of curved guide rails pivotally attached to said pair of scoop clevis brackets;a pair of retaining pins inserted through a pair of opposing scoop clevis apertures and one of a plurality of guide rail apertures to pivotally connect said pair of guide rails to said pair of scoop clevis brackets; and,a pair of detent pins inserted through a pair of opposing guide clevis apertures and one of said plurality of guide rail apertures to pivotally connect said pair of guide rails to said pair of scoop clevis brackets to position said scoop at said selectable angle. 11. The plow of claim 10, wherein said a means to pivotably attach said frame to said scoop comprises: a pair of strut clevis brackets affixed at an upward angle to a rear side of said connecting beam to pivotally receive said pair of outer strut lower ends; and,a pair of detent pins removably inserted through a pair of opposing strut clevis apertures and a pair of lower strut apertures to pivotally connect said pair of outer strut lower ends to said pair of strut clevis brackets. 12. The plow of claim 11, wherein said pair of wheel assemblies comprises: a pair of caster brackets affixed to opposing ends of a bottom side of said connecting beam; and,a pair of casters rotatingly attached to said pair of caster brackets. 13. A manual snow plow comprising: a scoop for pushing snow and debris from a surface;a pair of outer struts, wherein a lower end of each is in a pivoting relationship with said scoop;a pair of inner struts, wherein a lower end of each is in a telescoping relationship with open upper ends of said pair of outer struts;a pair of curved shoulder braces pivotally connected to upper ends of said pair of inner struts, each comprising: a brace clevis bracket to receive said inner strut upper end;a retainer pin inserted through a pair of opposing brace clevis apertures and a pair of opposing inner strut apertures in said inner strut upper end; and,padding on an inner curved surface;a means to adjust a height of said frame to suit a particular height of a user comprising: a pair of opposing upper strut apertures in said pair of outer strut upper ends;a plurality of pairs of opposing inner strut apertures in said inner strut lower ends; and,a pair of detent pins removably inserted through said pair of opposing upper strut apertures and one of said plurality of pairs of opposing inner strut apertures to secure said telescoping pairs of inner struts and pairs of outer struts at a desired length;a means to adjust a width of said frame to suit a particular width of said user comprising: an outer cross member clevis bracket affixed to an inside face of one of said pair of outer struts to receive an outer cross member;a retainer pin inserted through a pair of opposing outer cross member clevis apertures and a pair of opposing outer cross member apertures to pivotally connect said outer cross member to said outer cross member clevis bracket;an inner cross member clevis bracket affixed to an inside face of an opposing one of said pair of outer struts to receive an inner cross member;a retainer pin inserted through a pair of opposing inner cross member clevis apertures and a pair of opposing inner cross member apertures to pivotally connect said inner cross member to said inner cross member clevis bracket; and,a detent pin removably inserted through one of a plurality of pairs of inner cross member fastening apertures and a pair of opposing outer cross member fastening apertures to secure said cross members in a telescoping relationship at a desired distance between said pair of outer struts;a pair of hand grips adjustably attached to under side surfaces of said pair of outer struts comprising: a grip post for being grasped by said user having a threaded upper end;an adjustment rail comprising a length of C-shaped channel affixed to said under side surface of each of said pair of outer struts; and,a clamping washer fit within said adjustment rail to threadingly receive said grip post upper end;wherein said grip post is rotated to draw in said clamping washer, thus clamping C-shaped edges of said adjustment rail between said clamping washer and said grip post at a desired position on said adjustment rail; and,a pair of wheel assemblies for guiding said scoop over uneven areas of said surface. 14. The plow of claim 13, wherein said scoop comprises: a receptacle having a pair of opposing side walls, a top, a transverse curved rear wall joining said side walls and said top, and an open face; and,a blade attached to a lower end of said rear wall, said blade protruding past a lower edge of said rear surface;a means for adjustably securing said blade to said receptacle at a desired forward position and scraping angle comprising: a plurality of adjustment apertures in each side of said rear wall lower end arranged adjacent to and parallel to said receptacle side walls;a pair of blade clamps affixed to opposing upper ends of said blades comprising a threaded aperture which aligns with an opposing pair of said plurality of adjustment apertures; and,a threaded fastener to secure said blade to said receptacle; and,a means to pivotably attach said frame to said scoop comprising: a pair of strut clevis brackets attached at an upward angle to an exterior upper end of said receptacle rear wall to receive said outer strut lower ends; and,a pair of detent pins removably inserted through a pair of opposing clevis apertures and a pair of lower strut apertures to pivotally connect said pair of outer strut lower ends to said pair of strut clevis brackets;wherein said wheel assemblies comprise: a pair of caster brackets affixed to lower opposing outside ends of said rear wall; and,a pair of casters rotatingly attached to said pair of caster brackets. 15. The plow of claim 13, wherein said scoop comprises: a shovel blade;a means to pivotably attach said frame to said shovel blade; and,an articulation means to selectively adjust a position of said shovel blade to a selectable angle in relation to said frame comprising: a pair of scoop clevis brackets affixed to a back side surface of said shovel blade;a pair of guide clevis brackets affixed to opposing ends of an elongated connecting beam;a pair of curved guide rails pivotally attached to said pair of scoop clevis brackets;a pair of retaining pins inserted through a pair of opposing scoop clevis apertures and one of a plurality of guide rail apertures to pivotally connect said pair of guide rails to said pair of scoop clevis brackets; and,a pair of detent pins inserted through a pair of opposing guide clevis apertures and one of said plurality of guide rail apertures to pivotally connect said pair of guide rails to said pair of scoop clevis brackets to position said scoop at said selectable angle;a means to pivotably attach said frame to said shovel blade comprises:a pair of strut clevis brackets affixed at an upward angle to a rear side of said connecting beam to pivotally receive said pair of outer strut lower ends; and,a pair of detent pins removably inserted through a pair of opposing strut clevis apertures and a pair of lower strut apertures to pivotally connect said pair of outer strut lower ends to said pair of strut clevis brackets; and,wherein said pair of wheel assemblies comprises: a pair of caster brackets affixed to opposing ends of a bottom side of said connecting beam; and,a pair of casters rotatingly attached to said pair of caster brackets. 16. A method of manually plowing snow utilizing a manual snow plow comprising the steps of: providing a manual snow plow comprising: a scoop for pushing snow and debris from a surface, further comprising: a receptacle having a pair of opposing side walls, a top, a transverse curved rear wall joining said side walls and said top, and an open face;a blade attached to a lower end of said rear wall to scrape said surface and push said snow and debris into said receptacle; and,a means to adjustably secure said blade to said receptacle at a desired forward position and scraping angle, comprising: a plurality of adjustment apertures in each side of said rear wall lower end arranged adjacent to and parallel to said receptacle side walls;a pair of blade clamps affixed to opposing upper ends of said blade comprising a threaded aperture which aligns with an opposing pair of said plurality of adjustment apertures; and,a threaded fastener to secure said blade to said receptacle;a frame pivotally attached to said scoop for transferring a force exerted by a user to said scoop, further comprising: a pair of outer struts, wherein lower ends of said pair of outer struts are pivotally connected to said scoop;a pair of inner struts, wherein lower ends of said pair of inner struts are in a telescoping relationship with open upper ends of said pair of outer struts;a pair of curved shoulder braces pivotally connected to upper ends of said pair of inner struts;a pair of hand grips adjustably attached to under side surfaces of said pair of outer struts; and,a pair of wheel assemblies for guiding said scoop over uneven areas of said surface;a means to adjust a width of said frame to suit a particular shoulder width of said user; and,a means to adjust a height of said frame to suit a particular height of said user;wherein said scoop comprises a means to pivotably attach said frame to said scoop; and,wherein said blade protrudes past a lower edge of said rear wall;pivotally attaching an individual lower end of said pair of outer struts into corresponding strut clevis brackets by means of a pair of removable detent pins;moving said pair of outer struts as needed to align said an outer cross member with an inner cross member;inserting a free end of said inner cross member into an open end of said outer cross member;securing said cross members by means of a removal detent pin;installing a lower end free end of said pair of inner struts into an upper end of said pair of outer struts;securing said pairs of struts in a telescoping relationship by means of a pair of removable detent pins;performing adjustments, if and as necessary, to adjust a connected length of said outer and inner cross members to correspond to a shoulder width of a user;performing adjustments, if and as necessary, to adjust a connected length of said outer and inner struts to correspond to a shoulder height of a user;positioning said pair of hand grips by rotating and sliding a loosened hand grip to a comfortable location within a pair of adjustment rails;tightening said pair of hand grips by counter-rotating to secure in place with said pair of adjustment rails;placing shoulders of said user within said pair of pivoting shoulder braces;grasping said pair of hand grips;driving said manual snow plow utilizing a driving force exerted by the body of said user; and,clearing an amount of snow and debris from a desired surface location. 17. The method of claim 16, wherein said manual snow plow comprises an articulation means to selectively adjust a position of said scoop to a selectable angle in relation to said frame, comprising the additional steps of: pivotally attaching a pair of guide rails to a pair of scoop clevis brackets by means of a pair of retaining pins;positioning said scoop at said selectable angle in relation to said frame; and,attaching said pair of guide rails to a pair of guide clevis brackets by means of a pair of removable detent pins.
