Animal crowding gate

Claim 2

The combination with upstanding walls and a floor defining a runway for animals, said upstanding walls including a pair of longitudinally extending side walls, an end wall extending between said side walls at one end thereof and end wall portions at the other end of said side walls defining exit openings leading from said runway, one of said side walls having an entrance opening therein adjacent said first mentioned end wall, a rail on each of said side walls, a frame extending transversely of said runway between said rails, bearings on said frame, a pair of parallel shafts mounted in said bearings spaced longitudinally of and extending transversely of said runway, a pair of wheels mounted on each of said shafts to rotate therewith, one wheel of each pair engaging one of said rails and the other wheel of each pair engaging the other of said rails, a motor on said frame, driving means connecting said motor with said shafts to rotate said shafts simultaneously in the same direction, a gate on said frame extending downwardly therefrom to extend transversely of said runway, and counterweights mounted on said frame adjacent said wheels.

Claim 3

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon for both up and down and swinging movement relative thereto.

Claim 4

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon, for both up and down and swinging movement relative thereto, stop means on said gate and means on said scraper engaging said stop means to hold said scraper from swinging movement relative to said gate during movement of said gate toward said first mentioned end wall of said runway.

Claim 5

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon for both up and down and swinging movement relative thereto and said floor scraper has means movable therewith having a convex face riding over debris on said floor during movement of said gate away from said first mentioned end wall of said runway to move said means having said convex face and said scraper away from said floor.

Claim 6

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon for both up and down and swinging movement relative thereto, stop means on said gate, means on said scraper engaging said stop means to hold said scraper from swinging movement relative to said gate during movement of said gate toward said first mentioned end wall of said runway and means movable with said scraper having a convex face riding over debris on said floor during movement of said gate away from said first mentioned wall of said runway to move said means and said scraper away from said floor.

Claim 7

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon for both up and down and swinging movement relative thereto, means for raising said scraper away from said floor upon engagement of said means with debris on said floor during movement of said gate away from said first mentioned end wall of said runway, said means for raising said scraper comprising a curved metal plate on said scraper adjacent said floor and extending transversely across said runway.

Claim 8

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon for both up and down and swinging movement relative thereto, means on said gate engaging said scraper to hold said scraper from swinging movement relative to said gate during movement of said gate toward said first mentioned end wall of said runway and means on said scraper for raising said scraper away from said floor upon engagement of said means with debris on said floor during movement of said gate away from said first mentioned end wall of said runway, said means for raising said scraper comprising a curved metal plate on said scraper adjacent said floor and extending transversely across said runway.

Claim 9

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon for both up and down and swinging movement relative thereto, stop means on said gate, means on said floor scraper engaging said stop means to hold said scraper in floor scraping position during movement of said gate toward said first mentioned end wall and a plate having a convex face riding over debris on said floor to swing said floor scraper out of floor scrapIng position upon engagement of said plate with said debris during movement of said gate away from said first mentioned wall.

Claim 10

The combination claimed in claim 1 in which said gate has a floor scraper mounted thereon for both up and down and swinging movement relative thereto, means for holding said floor scraper in floor scraping position during movement of said gate toward said first mentioned end wall and means for swinging said floor scraper out of floor scraping position upon engagement of said means with debris on said floor during movement of said gate away from said first mentioned end wall comprising a curved metal plate adjacent said floor mounted on said gate for movement with said scraper and extending transversely across said runway.

Claim 11

The combination with upstanding walls and a floor defining a runway for animals, said upstanding walls including a pair of longitudinally extending side walls, an end wall extending between said side walls at one end thereof and end wall portions at the other end of said side walls defining exit openings leading from said runway, one of said side walls having an entrance opening therein adjacent said first mentioned end wall, a rail on each of said side walls, a frame extending transversely of said runway between said rails, bearings on said frame, a pair of parallel shafts mounted in said bearings spaced longitudinally of and extending transversely of said runway, a pair of wheels mounted on each of said shafts to rotate therewith one wheel of each pair engaging one of said rails and the other wheel of each pair engaging the other of said rails, a motor on said frame, driving means connecting said motor with said shafts to rotate said shafts simultaneously in the same direction, a gate on said frame extending downwardly therefrom to extend transversely of said runway, and a floor scraper mounted on said gate for up and down and swinging movement relative thereto.

Claim 12

The combination with upstanding walls and a floor defining a runway for animals, said upstanding walls including a pair of longitudinally extending side walls, an end wall extending between said side walls at one end thereof and end wall portions at the other end of said side walls defining exit openings leading from said runway, one of said side walls having an entrance opening therein adjacent said first mentioned end wall, a rail on each of said side walls, a frame extending transversely of said runway between said rails, bearings on said frame, a pair of parallel shafts mounted in said bearings spaced longitudinally of and extending transversely of said runway, a pair of wheels mounted on each of said shafts to rotate therewith one wheel of each pair engaging one of said rails and the other wheel of each pair engaging the other of said rails, a motor on said frame, driving means connecting said motor with said shafts to rotate said shafts simultaneously in the same direction, a gate on said frame extending downwardly therefrom to extend transversely of said runway, and a floor scraper mounted on said gate for up and down and swinging movement relative thereto.

Claim 13

The combination claimed in claim 10 in which said gate has stop means thereon and means on said scraper engaging said stop means to hold said scraper from swinging movement in one direction relative to said gate during movement of said gate toward said first mentioned end wall of said runway.

Claim 14

The combination claimed in claim 10 in which said scraper has a plate thereon having a convex face riding over debris on said floor to raise said scraper away from said floor upon engagement of said plate with said debris during movement of said gate away from said first mentioned end wall of said runway.

Claim 15

The combination claimed in claim 10 in which said gate has means thereon for raising said scraper away from said floor upon engagement of said means with debris on said floor during movement of said gate away from said first mentioned end wall of said runway, comprising a curved plate on said scraper adjacent said floor and extending transversely across said runway.

Claim 16

The combination claimed in claim 10 in which said floor scraper comprises a body portion extending substantially from one of said side walls to the other side wall, a scraper member mounted on said body portion, upstanding bars mounted on said scraper body portion in fixed position in spaced relation longitudinally of said scraper body portion, means mounting said bars on said gate for guided up and down and swinging movement relative thereto, comprising a frame mounted on the lower portion of said gate having an upper and a lower longitudinally extending frame member, inter-engaging brackets on said lower frame member and said bars connecting each of said bars with said lower frame member for up and down and swinging movement of said bars relative to said lower frame member, said upper frame member being in the path of swinging movement of said bars in one direction to stop said swinging movement in said direction with said scraper member in floor scraping position, and an arcuate plate mounted on said floor scraper to move with said scraper member in position to ride over debris oN said floor during movement of said floor scraper over said floor.

Claim 17

The combination claimed in claim 14 in which said brackets on said lower frame member provide guide slots for said bars extending longitudinally of said lower frame member and said brackets on said bars provide guide slots for the brackets on said lower frame member extending longitudinally of said bars.

Claim 18

The combination with upstanding walls and a floor defining a runway for animals, said upstanding walls including a pair of longitudinally extending side walls, an end wall extending between said side walls at one end thereof and end wall portions at the other end of said side walls defining exit openings leading from said runway, one of said side walls having an entrance opening therein adjacent said first mentioned end wall, a rail on each of said side walls, a frame extending transversely of said runway between said rails, bearings on said frame, a pair of parallel shafts mounted in said bearings spaced longitudinally of and extending transversely of said runway, a pair of wheels mounted on each of said shafts to rotate therewith and engaging said rails, a motor on said frame, driving means connecting said motor with said shafts to rotate said shafts simultaneously in the same direction, a gate on said frame extending downwardly therefrom to extend transversely of said runway, and a floor scraper mounted on said gate, said floor scraper comprising a body portion extending substantially from one of said side walls to the other side wall, a scraper member mounted on said body portion, upstanding bars mounted on said scraper body portion in fixed position in spaced relation longitudinally of said scraper body portion, means mounting said bars on said gate for guided up and down and swinging movement relative thereto, comprising a frame mounted on the lower portion of said gate having an upper and a lower longitudinally extending frame member, inter-engaging brackets on said lower frame member and said bars connecting each of said bars with said lower frame member for up and down and swinging movement of said bars relative to said lower frame member, said upper frame member being in the path of swinging movement of said bars in one direction to stop said swinging movement in said direction with said scraper member in floor scraping position, and an arcuate plate mounted on said floor scraper to move with said scraper member in position to ride over debris on said floor during movement of said floor scraper over said floor in the opposite direction.

Claim 19

The combination with upstanding walls and a floor defining a runway for animals, said upstanding walls including a pair of longitudinally extending side walls, an end wall extending between said side walls at one end thereof and end wall portions at the other end of said side walls defining exit openings leading from said runway, one of said side walls having an entrance opening therein adjacent said first mentioned end wall, a rail on each of said side walls, a frame extending transversely of said runway between said rails, bearings on said frame, a pair of parallel shafts mounted in said bearings spaced longitudinally of and extending transversely of said runway, a pair of wheels mounted on each of said shafts to rotate therewith and engaging said rails, a motor on said frame, driving means connecting said motor with said shafts to rotate said shafts simultaneously in the same direction, a gate on said frame extending downwardly therefrom to extend transversely of said runway, and a floor scraper mounted on said gate, said floor scraper comprising a body portion extending substantially from one of said side walls to the other side wall, a scraper member mounted on said body portion, upstanding bars mounted on said scraper body portion in fixed position in spaced relation longitudinally of said scraper body portion, means mounting said bars on said gate for guided up and down and swinging movement relative thereto, comprising a frame mounted on the lower portion of said gate having an upper and a lower longitudinally extending frame member, inter-engaging brackets on said lower frame member and said bars connecting each of said bars with said lower frame member for up and down and swinging movement of said bars relative to said lower frame member, said upper frame member being in the path of swinging movement of said bars in one direction to stop said swinging movement in said direction with said scraper member in floor scraping position, and an arcuate plate mounted on said floor scraper to move with said scraper member in position to ride over debris on said floor during movement of said floor scraper over said floor in the opposite direction.

Claim 20

The combination claimed in claim 16 in which said brackets on said lower frame member provide guide slots for said bars extending longitudinally of said lower frame member and said brackets on said bars provide guide slots for the brackets on said lower frame member extending longitudinally of said bars.

Claim 21

The combination with upstanding walls and a floor defining a runway for animals, said upstanding walls including a pair of longitudinally extending side walls, an end wall extending between said side walls at one end thereof and end wall portions at the other end of said side walls defining exit openings leading from said runway, one of said side walls having an entrance opening therein adjacent said first mentioned end wall, of a gate extending transversely of said runway, means for moving said gate lengthwise of said runway, and a floor scraper mounted on said gate, said floor scraper comprising a body portion extending substantially from one of said side walls to the other side wall, a scraper member mounted on said body portion, upstanding bars mounted on said scraper body portion in fixed position in spaced relation longitudinally of said scraper body portion, means mounting said bars on said gate for guided up and down and swinging movement relative thereto, comprising a frame mounted on the lower portion of said gate having an upper and a lower longitudinally extending frame member, interengaging brackets on said lower frame member and saId bars connecting each of said bars with said lower frame member for up and down and swinging movement of said bars relative to said lower frame member, said upper frame member being in the path of swinging movement of said bars in one direction to stop said swinging movement in said direction with said scraper member in floor scraping position, and an arcuate plate mounted on said floor scraper to move with said scraper member in position to ride over debris on said floor during movement of said floor scraper over said floor in the opposite direction.

Claim 22

The combination with upstanding walls and a floor defining a runway for animals, said upstanding walls including a pair of longitudinally extending side walls, an end wall extending between said side walls at one end thereof and end wall portions at the other end of said side walls defining exit openings leading from said runway, one of said side walls having an entrance opening therein adjacent said first mentioned end wall, of a gate extending transversely of said runway, means for moving said gate lengthwise of said runway, and a floor scraper mounted on said gate, said floor scraper comprising a body portion extending substantially from one of said side walls to the other side wall, a scraper member mounted on said body portion, upstanding bars mounted on said scraper body portion in fixed position in spaced relation longitudinally of said scraper body portion, means mounting said bars on said gate for guided up and down and swinging movement relative thereto, comprising a frame mounted on the lower portion of said gate having an upper and a lower longitudinally extending frame member, interengaging brackets on said lower frame member and saId bars connecting each of said bars with said lower frame member for up and down and swinging movement of said bars relative to said lower frame member, said upper frame member being in the path of swinging movement of said bars in one direction to stop said swinging movement in said direction with said scraper member in floor scraping position, and an arcuate plate mounted on said floor scraper to move with said scraper member in position to ride over debris on said floor during movement of said floor scraper over said floor in the opposite direction.

Claim 23

The combination claimed in claim 18 in which said brackets on said lower frame member provide guide slots for said bars extending longitudinally of said lower frame member and said brackets on said bars provide guide slots for the brackets on said lower frame member extending longitudinally of said bars.