US3713497A — Replaceable blade row crop ditcher with bedding r…

Claim 1

Independent Claim 332 words

In a replaceable blade row crop ditcher, in combination, a rigid carrier arm secured to and carried by a machine tool bar, a rigid plate pivotally adjustably carried by an end of said carrier arm, means for adjustably pivotally horizontally carrying said rigid plate thereby, a first angular wedge shape ditcher blade fixedly secured to and carried by said horizontal plate, a pair of spring-tensioned hinge-flaps with each secured to a rear side of said first wedge blade and with the lower edge of each flap extending below and normally held by its spring-hinge in spaced relation from its adjacent rear side of said blade, means for so spring-tensionally hinging an upper portion of each of said flaps to its adjacent rear portion of said first wedge blade, each of said hinge flaps and its adjacent portion of said first blade having aligned bolt openings therethrough, bolt compression means each extending through a pair of said aligned openings and adapted upon compression thereof to secure its hinge flap tightly against the rear of its portion of said first blade and against the spring tension of the hiNge-flap, a bedding rail member protruding from and held to the outside portion of a side of said wedge first blade opposite from its rear hinge flap side and having an opening therein adapted also to receive a said bolt compression means extending therethrough for said bolt means also holding said bedding rail to said first flap upon said compression of the bolt compression means, and a second wedge shaped ditcher blade of similar angular configuration to said first blade and adapted to be held substantially in prolongation extension of the plane of the first blade by having its upper portion inserted between said hinge flaps and the lower portion of the first blade and adapted for being removably held therebetween as a contiguous plane part therewith upon a securement of each bolt compression means so securing its hinge-flap against the rear of said first blade.

Claim 2

Dependent Claim 332 words

In a replaceable blade row crop ditcher, in combination, a rigid carrier arm secured to and carried by a machine tool bar, a rigid plate pivotally adjustably carried by an end of said carrier arm, means for adjustably pivotally horizontally carrying said rigid plate thereby, a first angular wedge shape ditcher blade fixedly secured to and carried by said horizontal plate, a pair of spring-tensioned hinge-flaps with each secured to a rear side of said first wedge blade and with the lower edge of each flap extending below and normally held by its spring-hinge in spaced relation from its adjacent rear side of said blade, means for so spring-tensionally hinging an upper portion of each of said flaps to its adjacent rear portion of said first wedge blade, each of said hinge flaps and its adjacent portion of said first blade having aligned bolt openings therethrough, bolt compression means each extending through a pair of said aligned openings and adapted upon compression thereof to secure its hinge flap tightly against the rear of its portion of said first blade and against the spring tension of the hiNge-flap, a bedding rail member protruding from and held to the outside portion of a side of said wedge first blade opposite from its rear hinge flap side and having an opening therein adapted also to receive a said bolt compression means extending therethrough for said bolt means also holding said bedding rail to said first flap upon said compression of the bolt compression means, and a second wedge shaped ditcher blade of similar angular configuration to said first blade and adapted to be held substantially in prolongation extension of the plane of the first blade by having its upper portion inserted between said hinge flaps and the lower portion of the first blade and adapted for being removably held therebetween as a contiguous plane part therewith upon a securement of each bolt compression means so securing its hinge-flap against the rear of said first blade.

Claim 3

Dependent Claim 332 words

In a replaceable blade row crop ditcher, in combination, a rigid carrier arm secured to and carried by a machine tool bar, a rigid plate pivotally adjustably carried by an end of said carrier arm, means for adjustably pivotally horizontally carrying said rigid plate thereby, a first angular wedge shape ditcher blade fixedly secured to and carried by said horizontal plate, a pair of spring-tensioned hinge-flaps with each secured to a rear side of said first wedge blade and with the lower edge of each flap extending below and normally held by its spring-hinge in spaced relation from its adjacent rear side of said blade, means for so spring-tensionally hinging an upper portion of each of said flaps to its adjacent rear portion of said first wedge blade, each of said hinge flaps and its adjacent portion of said first blade having aligned bolt openings therethrough, bolt compression means each extending through a pair of said aligned openings and adapted upon compression thereof to secure its hinge flap tightly against the rear of its portion of said first blade and against the spring tension of the hiNge-flap, a bedding rail member protruding from and held to the outside portion of a side of said wedge first blade opposite from its rear hinge flap side and having an opening therein adapted also to receive a said bolt compression means extending therethrough for said bolt means also holding said bedding rail to said first flap upon said compression of the bolt compression means, and a second wedge shaped ditcher blade of similar angular configuration to said first blade and adapted to be held substantially in prolongation extension of the plane of the first blade by having its upper portion inserted between said hinge flaps and the lower portion of the first blade and adapted for being removably held therebetween as a contiguous plane part therewith upon a securement of each bolt compression means so securing its hingeflap against the rear of said first blade.

Claim 4

Dependent Claim 332 words

In a replaceable blade row crop ditcher, in combination, a rigid carrier arm secured to and carried by a machine tool bar, a rigid plate pivotally adjustably carried by an end of said carrier arm, means for adjustably pivotally horizontally carrying said rigid plate thereby, a first angular wedge shape ditcher blade fixedly secured to and carried by said horizontal plate, a pair of spring-tensioned hinge-flaps with each secured to a rear side of said first wedge blade and with the lower edge of each flap extending below and normally held by its spring-hinge in spaced relation from its adjacent rear side of said blade, means for so spring-tensionally hinging an upper portion of each of said flaps to its adjacent rear portion of said first wedge blade, each of said hinge flaps and its adjacent portion of said first blade having aligned bolt openings therethrough, bolt compression means each extending through a pair of said aligned openings and adapted upon compression thereof to secure its hinge flap tightly against the rear of its portion of said first blade and against the spring tension of the hiNge-flap, a bedding rail member protruding from and held to the outside portion of a side of said wedge first blade opposite from its rear hinge flap side and having an opening therein adapted also to receive a said bolt compression means extending therethrough for said bolt means also holding said bedding rail to said first flap upon said compression of the bolt compression means, and a second wedge shaped ditcher blade of similar angular configuration to said first blade and adapted to be held substantially in prolongation extension of the plane of the first blade by having its upper portion inserted between said hinge flaps and the lower portion of the first blade and adapted for being removably held therebetween as a contiguous plane part therewith upon a securement of each bolt compression means so securing its hingeflap against the rear of said first blade.

Claim 5

Dependent Claim 282 words

In combination, in a row crop ditcher replaceable blade and bedding tool, a. a first earth ditcher tool blade having a lower edge and adjustably pivotally fixedly connected to and carried by a tool bar of a farm machine and adapted to be positioned to be held either horizontally or at an angle to and with relation to the direction of the machine travel; b. means for so adjustably pivotally connecting said blade to said tool bar; c. a spring-tensioned hinge-flap secured to the rear of the blade, with relation to the direction of machine travel, and adapted to have a part thereof normally tensionally held by its hinge in spaced relationship from said rear of said first blade; c. an aligned bolt opening in each of said blade and said flap; e. a compression bolt means extending through said openings and adapted on compression to bind the flap tightly to the blade and against its hinge tension; f. a projected bedding rail secured to and extending from the front of said blade, in terms of direction of machine travel; and g. a second earth ditcher tool blade having an upper edge and formed substantially of similar configuration to the first blade and having its upper edge formed in alignment with the lower edge of the first blade and adapted to be removeably held substantially in plane alignment downwardly in continuation from and as an integral part of said first blade upon said second blade upper edge being inserted between said first blade lower edge and said hinge flaps with said compression bolt holding means removably securing the upper edge of the second blade between said hinge flaps and said first blade.

Claim 6

Dependent Claim 282 words

In combination, in a row crop ditcher replaceable blade and bedding tool, a. a first earth ditcher tool blade having a lower edge and adjustably pivotally fixedly connected to and carried by a tool bar of a farm machine and adapted to be positioned to be held either horizontally or at an angle to and with relation to the direction of the machine travel; b. means for so adjustably pivotally connecting said blade to said tool bar; c. a spring-tensioned hinge-flap secured to the rear of the blade, with relation to the direction of machine travel, and adapted to have a part thereof normally tensionally held by its hinge in spaced relationship from said rear of said first blade; c. an aligned bolt opening in each of said blade and said flap; e. a compression bolt means extending through said openings and adapted on compression to bind the flap tightly to the blade and against its hinge tension; f. a projected bedding rail secured to and extending from the front of said blade, in terms of direction of machine travel; and g. a second earth ditcher tool blade having an upper edge and formed substantially of similar configuration to the first blade and having its upper edge formed in alignment with the lower edge of the first blade and adapted to be removeably held substantially in plane alignment downwardly in continuation from and as an integral part of said first blade upon said second blade upper edge being inserted between said first blade lower edge and said hinge flaps with said compression bolt holding means removably securing the upper edge of the second blade between said hinge flaps and said first blade.

Claim 7

Dependent Claim 160 words

In a row crop ditcher replaceable blade and bedding tool, in combination, a rigid carrier arm secured to and carried by a tractor, a rigid plate means pivotally adjustably fixedly carried by the carrier arm, means for so pivotally adjustably fixedly carrying said plate, a first V-shaped ditcher blade having a lower inclined bevelled edge surface and fixedly secured to said plate, a second V-shaped ditcher blade having an upper inclined bevelled edge surface adapted to mate with the lower inclined edge surface of the first blade so as to form a continuous blade plane surface, holding means including a spring-tensioned normally open hinge carried by one or the other of said first or second blades for effecting a holding of said two blades together and against said tension to form such continuous blade plane surface, and a bedding rail attached onto one of said blades and adapted to control the lateral movement of the soil upon ditcher tool operation.

Claim 8

Dependent Claim 160 words

In a row crop ditcher replaceable blade and bedding tool, in combination, a rigid carrier arm secured to and carried by a tractor, a rigid plate means pivotally adjustably fixedly carried by the carrier arm, means for so pivotally adjustably fixedly carrying said plate, a first V-shaped ditcher blade having a lower inclined bevelled edge surface and fixedly secured to said plate, a second V-shaped ditcher blade having an upper inclined bevelled edge surface adapted to mate with the lower inclined edge surface of the first blade so as to form a continuous blade plane surface, holding means including a spring-tensioned normally open hinge carried by one or the other of said first or second blades for effecting a holding of said two blades together and against said tension to form such continuous blade plane surface, and a bedding rail attached onto one of said blades and adapted to control the lateral movement of the soil upon ditcher tool operation.

Claim 9

Dependent Claim 67 words

A row crop ditcher replaceable blade and bedding tool combination, as defined in preceeding claim 3, and characterized further by definition of said means for adjustably pivotally fixedly carrying the plate by the carrier arm including two identical spaced apart parallel members secured to and extending vertically from said rigid plate and to and between which parallel members said carrier arm is so adjustably pivotally fixedly carried.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1976-01-30	1976-07-31	1977-01-30	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1980-01-30	1980-07-31	1981-01-30	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1984-01-30	1984-07-31	1985-01-30	$7700.00	Window Closed / Lapsed

Replaceable blade row crop ditcher with bedding rail

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