Earth working implement with a pair of mobile units movable between a side-by-side working position and a trailing position

Claim 2

An earth working implement comprising: a. a pair of spaced mobile frames each having a forward end; b. means on each of said frames for earth working as said frames are moved forward; c. an adjustable tongue structure mounted on the forward end of each of said mobile frames with forward ends of said tongues having connecting means for effecting connection of said frames to each other and to a prime mover for operation in side-byside relation; d. rigid spacer means having ends releaseably connecting said spaced mobile frames in side-by-side relation and cooperating with the tongue structures to maintain of said frames during side-by-side operation, said spacer means being separated from one of said mobile frames for change of relative positions of said frames; e. tow bar means having one end portion pivotally mounted on one of said mobile frames swingable from a trailing relation to a forward relation and having a free end portion connectable with the connecting means on the tongue structure of the other frame when in said forward position and permitting same to be moved to a trailing position behind said one frame when said spacer means is separated from one frame and the tongue structures of said other frame is disconnected from the tongue structure of said one frame and upon forward movement of the prime mover and said one frame thereby effecting a trailing relation between said mobile frames; f. said tow bar means including an elongated tow bar having one end pivotally mounted on the one mobile frame intermediate ends thereof and adjacent a side toward said other frame when in side by side relation, said free end of said tow bar connectable with the connecting means on the tongue structure of the other frame having means whereby the connection is releaseable, and means on the other frame and engageable with said tow bar for holding same against swinging movement in a towing position with the frames position in trailing relation behind the prime mover.

Claim 3

An earth working implement as set forth in claim 1 wherein said tow bar holding means comprises: a. a support bracket mounted on said one mobile frame; b. an upstanding portion extending upwardly from said support bracket and positioned to be engaged by said tow bar; c. a support arm extending ouTwardly from said upstanding portion and positioned to be engaged by said tow bar for supporting same thereon; and d. a holding member having one end pivotally mounted on said upstanding portion and having a movable portion engageable with said tow bar for holding same in engagement with said support arm.

Claim 4

means on the other end of said tow bar for effecting a releasable connection with the connecting means of the tongue structure mounted on the other frame;

Claim 5

means on the other end of said tow bar for effecting a releasable connection with the connecting means of the tongue structure mounted on the other frame;

Claim 6

an upstanding portion extending upwardly from said support bracket and positioned to be engaged by said tow bar;

Claim 7

an upstanding portion extending upwardly from said support bracket and positioned to be engaged by said tow bar;

Claim 8

means on the one frame and engageable with said tow bar for holding same in a towing position with the other end thereof extending rearwardly of said one mobile frame and with the frames positioned in trailing relation behind the prime mover; and

Claim 9

means on the one frame and engageable with said tow bar for holding same in a towing position with the other end thereof extending rearwardly of said one mobile frame and with the frames positioned in trailing relation behind the prime mover; and

Claim 10

An earth working implement comprising: a. a pair of spaced mobile frames each having a forward end; b. means on each of said frames for earth working as said frames are moved forward; c. an adjustable tongue structure mounted on the forward end of each of said mobile frames with forward ends of said tongues having connecting means for effecting connection of said frames to each other and to a prime mover for operation in side-by-side relation; d. rigid spacer means having ends releaseably connecting said spaced mobile frames in side-by-side operation, said spacer means being separated from one of said mobile frames for change of relative positions of said frames; e. tow bar means having one end portion pivotally mounted on one of said mobile frames swingable from a trailing relation to a forward relation and having a free end portion connectable with the connecting means on the tongue structure of the other frame when in said forward position and permitting same to be moved to a trailing position behind said one frame when said spacer means is separated from one frame and the tongue structures of said other frame is disconnected from the tongue structure of said one frame and upon forward movement of the prime mover and said one frame thereby effecting a trailing relation between said mobile frames; f. said tow bar means effecting a trailing relation between said mobile frames including:

Claim 11

An earth working implement comprising: a. a pair of spaced mobile frames each having a forward end; b. means on each of said frames for earth working as said frames are moved forward; c. an adjustable tongue structure mounted on the forward end of each of said mobile frames with forward ends of said tongues having connecting means for effecting connection of said frames to each other and to a prime mover for operation in side-by-side relation; d. rigid spacer means having ends releaseably connecting said spaced mobile frames in side-by-side operation, said spacer means being separated from one of said mobile frames for change of relative positions of said frames; e. tow bar means having one end portion pivotally mounted on one of said mobile frames swingable from a trailing relation to a forward relation and having a free end portion connectable with the connecting means on the tongue structure of the other frame when in said forward position and permitting same to be moved to a trailing position behind said one frame when said spacer means is separated from one frame and the tongue structures of said other frame is disconnected from the tongue structure of said one frame and upon forward movement of the prime mover and said one frame thereby effecting a trailing relation between said mobile frames; f. said tow bar means effecting a trailing relation between said mobile frames including:

Claim 12

a support arm extending outwardly from said upstanding portion and positioned to be engaged by said tow bar for supporting same thereon; and

Claim 13

a support arm extending outwardly from said upstanding portion and positioned to be engaged by said tow bar for supporting same thereon; and

Claim 14

a holding member having one end pivotally mounted on said upstanding portion and having a movable portion engageable with said tow bar for holding same in engagement with said support arm.

Claim 15

a holding member having one end pivotally mounted on said upstanding portion and having a movable portion engageable with said tow bar for holding same in engagement with said support arm.

Claim 16

a hinged joint in said tow bar positioned to permit the other end of said tow bar to be moved to a position above said one mobile frame when said tow bar is disconnected from the tongue connecting means of said other frame and is in engagement with said tow bar holding means.

Claim 17

a hinged joint in said tow bar positioned to permit the other end of said tow bar to be moved to a position above said one mobile frame when said tow bar is disconnected from the tongue connecting means of said other frame and is in engagement with said tow bar holding means.

Claim 18

An earth working implement comprising: a. a pair of spaced mobile frames each having a forward end and laterally spaced side members; b. means on each of said frames for earth working as said frames are moved forward; c. means on each of said mobile frames for selectively raising and lowering same to move said earth working means into and out of an earth working position and levelling of said frames; d. an adjustable tongue structure mounted on the forward end of each of said mobile frames, each tongue structure having a draw member extending forwardly from said respective frame; e. means on the free ends of each of said draw members for effecting connection of said draw members together and to a prime mover; f. releaseable fastening spacer means extending between and connected to facing side members of said mobile frames for maintaining same in spaced side-by-side relation; g. an elongated tow bar having one end thereof pivotally mounted on one of said frames and normally in a trailing relation and swingable to a forward relation, the other end of said tow bar having means thereon for releaseably engaging said connection means on the tongue structure of the other frame when disconnected rElative to the prime mover and upon release of the spacer means from one frame permitting said other frame to be moved to a trailing position behind said one frame upon forward movement of the prime mover; and h. means on the one frame and engageable with said tow bar for holding same in a towing position with the frames positioned in trailing relation behind the prime mover, said means holding the tow bar comprising:

Claim 19

An earth working implement comprising: a. a pair of spaced mobile frames each having a forward end and laterally spaced side members; b. means on each of said frames for earth working as said frames are moved forward; c. means on each of said mobile frames for selectively raising and lowering same to move said earth working means into and out of an earth working position and levelling of said frames; d. an adjustable tongue structure mounted on the forward end of each of said mobile frames, each tongue structure having a draw member extending forwardly from said respective frame; e. means on the free ends of each of said draw members for effecting connection of said draw members together and to a prime mover; f. releaseable fastening spacer means extending between and connected to facing side members of said mobile frames for maintaining same in spaced side-by-side relation; g. an elongated tow bar having one end thereof pivotally mounted on one of said frames and normally in a trailing relation and swingable to a forward relation, the other end of said tow bar having means thereon for releaseably engaging said connection means on the tongue structure of the other frame when disconnected rElative to the prime mover and upon release of the spacer means from one frame permitting said other frame to be moved to a trailing position behind said one frame upon forward movement of the prime mover; and h. means on the one frame and engageable with said tow bar for holding same in a towing position with the frames positioned in trailing relation behind the prime mover, said means holding the tow bar comprising:

Claim 20

An earth working implement comprising: a. a pair of spaced mobile frames each having a forward end; b. means on each of said frames for earth working as said frames are moved forward; c. an adjustable tongue structure mounted on the forward end of each of said mobile frames with each of said tongue structures having forward ends; d. a connecting means assembly on the forward end on one of said tongue structures for effecting connection thereof to a prime mover; e. said connecting means assembly on said one tongue structure having a towing ring extending laterally outwardly therefrom; f. a pintle hook on the forward end of the other tongue structure and operable for releaseable connection to the towing ring on said connecting means assembly for connecting the tongue structures for operation of the mobile frame in side-by-side relation; g. rigid spacer means having ends releaseably connecting said spaced mobile frames in side-by-side relation and cooperating with the tongue structures to maintain spacing of said frames during side-by-side operation, said spacer means being seperable from one of said mobile frames for change of relative positions of said frames; h. tow bar means having one end portion pivotally mounted on one of said mobile frames swingable from a trailing relation to a forward relation and having a free end portion connectable with the connecting means on the tongue structure of the other frame when in said forward position and permitting same to be moved to a trailing position behind said one frame when said spacer means is separated from one frame and the tongue structures of said other frame is disconnected from the tongue structure of said one frame and upon forward movement of the prime mover and said one frame thereby effecting a trailing relation between said mobile frames; i. a pulling ring mounted on the free end of said tow bar for releaseable connection with said pintle hook whereby forward movement of the prime mover moves the other mobile frame to a trailing position behind said one mobile frame; j. said tow bar means including an elongated tow bar having one end pivotally mounted on the one mobile frame intermediate ends thereof and adjacent a side toward said other frame when in side by side relation, said free end of said tow bar connectable with the connecting means on the tongue structure of the other frame having means whereby the connection is releaseable, and means on the other frame and engageable with said tow bar for holding same against swinging movement in a towing position with the frames position in trailing relation behind the prime mover.

Claim 21

An earth working implement comprising: a. a pair of spaced mobile frames each having a forward end; b. means on each of said frames for earth working as said frames are moved forward; c. an adjustable tongue structure mounted on the forward end of each of said mobile frames with each of said tongue structures having forward ends; d. a connecting means assembly on the forward end on one of said tongue structures for effecting connection thereof to a prime mover; e. said connecting means assembly on said one tongue structure having a towing ring extending laterally outwardly therefrom; f. a pintle hook on the forward end of the other tongue structure and operable for releaseable connection to the towing ring on said connecting means assembly for connecting the tongue structures for operation of the mobile frame in side-by-side relation; g. rigid spacer means having ends releaseably connecting said spaced mobile frames in side-by-side relation and cooperating with the tongue structures to maintain spacing of said frames during side-by-side operation, said spacer means being seperable from one of said mobile frames for change of relative positions of said frames; h. tow bar means having one end portion pivotally mounted on one of said mobile frames swingable from a trailing relation to a forward relation and having a free end portion connectable with the connecting means on the tongue structure of the other frame when in said forward position and permitting same to be moved to a trailing position behind said one frame when said spacer means is separated from one frame and the tongue structures of said other frame is disconnected from the tongue structure of said one frame and upon forward movement of the prime mover and said one frame thereby effecting a trailing relation between said mobile frames; i. a pulling ring mounted on the free end of said tow bar for releaseable connection with said pintle hook whereby forward movement of the prime mover moves the other mobile frame to a trailing position behind said one mobile frame; j. said tow bar means including an elongated tow bar having one end pivotally mounted on the one mobile frame intermediate ends thereof and adjacent a side toward said other frame when in side by side relation, said free end of said tow bar connectable with the connecting means on the tongue structure of the other frame having means whereby the connection is releaseable, and means on the other frame and engageable with said tow bar for holding same against swinging movement in a towing position with the frames position in trailing relation behind the prime mover.