# US 2014/0197650 A1 · Sod roll pickup mechanism

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- Number: US 2014/0197650 A1
- Document ID: US20140197650A1
- Status: Published application
- Kind: A1
- Application number: 14/130,280
- Filed: 2012-07-20
- Published: 2014-07-17
- Earliest claimed: 2011-07-20
- Assignees: Trebro Holding, Inc.
- Inventors: Gregg Tvetene
- Web page: https://patentgrep.com/patent/US20140197650A1

## CPC

- B66C 1/22: Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- A01G 20/15: specially adapted for stacking sods or sod rolls
- B66C: CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES ({specially adapted for lifting invalids A61G7/10;} rope, cable, or chain winding mechanisms, braking or detent devices therefor B66D; specially adapted for nuclear reactors G21)
- A01G: HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING (picking of fruits, vegetables, hops or the like A01D46/00; propagating unicellular algae C12N1/12)

## Abstract

A sod roll picker including a pair of right facing spear bar assemblies and a pair of left facing spear bar assemblies. Each of the right and left facing spear bar assemblies includes a spear bar, a plurality of spears secured to the spear bar, and a guide roller disposed on each end of the spear bar assembly. The picker also includes a base frame having a pair of sidewalls connected by a pair of end walls. Each end wall includes a pair of right guide paths configured to receive the guide rollers of the right facing spear bar assemblies and a pair of left guide paths configured to receive the guide rollers of the left facing spear bar assemblies. The picker also includes a right spear bar linkage interconnecting the right facing spear bar assemblies and a left spear bar linkage interconnecting the left facing spear bar assemblies.

## Claims

### Claim 1

A sod roll picker, comprising:
a pair of right facing spear bar assemblies and a pair of left facing spear bar assemblies, each of the right and left facing spear bar assemblies including:
a spear bar;
a plurality of spears secured to the spear bar; and
a guide roller disposed on each end of the spear bar assembly; and
a base frame including a pair of sidewalls connected by a pair of end walls, each end wall including a pair of right guide paths configured to receive the guide rollers of the right facing spear bar assemblies and a pair of left guide paths configured to receive the guide rollers of the left facing spear bar assemblies.

### Claim 2 (depends on 1)

The sod roll picker according to claim 1, further comprising a pair of spear guide plates supported on the base frame.

### Claim 3 (depends on 1)

The sod roll picker according to claim 1, further comprising a right spear bar linkage interconnecting the right facing spear bar assemblies and a left spear bar linkage interconnecting the left facing spear bar assemblies.

### Claim 4 (depends on 3)

The sod roll picker according to claim 3, further comprising an actuator connected to each of the left and right spear bar linkages.

### Claim 5 (depends on 1)

The sod roll picker according to claim 1, wherein each of the right guide paths intersects a corresponding left guide path.

### Claim 6

A sod roll picker, comprising:
a pair of right facing spear bar assemblies and a pair of left facing spear bar assemblies, each of the right and left facing spear bar assemblies including:
a spear bar;
a plurality of spears secured to the spear bar; and
a guide roller disposed on each end of the spear bar assembly; and
a base frame, including:
a pair of sidewalls connected by a pair of end walls, each end wall including a pair of right guide paths configured to receive the guide rollers of the right facing spear bar assemblies and a pair of left guide paths configured to receive the guide rollers of the left facing spear bar assemblies;
a right spear bar linkage interconnecting the right facing spear bar assemblies; and
a left spear bar linkage interconnecting the left facing spear bar assemblies.

### Claim 7 (depends on 6)

The sod roll picker according to claim 6, further comprising a pair of spear guide plates supported on the base frame.

### Claim 8 (depends on 7)

The sod roll picker according to claim 7, further comprising an actuator connected to each of the left and right spear bar linkages.

### Claim 9 (depends on 8)

The sod roll picker according to claim 8, wherein each of the right guide paths intersects a corresponding left guide path.

### Claim 10 (depends on 9)

The sod roll picker according to claim 9, wherein the right guide paths intersects the left guide paths at an enlarged region sized and configured to receive the guide rollers.

### Claim 11

A sod roll picker, comprising:
a pair of right facing spear bar assemblies and a pair of left facing spear bar assemblies, each of the right and left facing spear bar assemblies including:
a spear bar;
a plurality of spears secured to the spear bar; and
a guide roller disposed on each end of the spear bar assembly; and
a base frame, including:
a pair of spaced apart end walls, each end wall including a pair of right guide paths configured to receive the guide rollers of the right facing spear bar assemblies and a pair of left guide paths configured to receive the guide rollers of the left facing spear bar assemblies, wherein each of the right guide paths intersects a corresponding left guide path at an enlarged region;
a right spear bar linkage interconnecting the right facing spear bar assemblies; and
a left spear bar linkage interconnecting the left facing spear bar assemblies.

### Claim 12 (depends on 11)

The sod roll picker according to claim 11, further comprising a pair of spear guide plates supported on the base frame, guide plate configured to receive the spears of a respective pair of spear bar assemblies.

### Claim 13 (depends on 12)

The sod roll picker according to claim 12, further comprising an actuator connected each of the left and right spear bar linkages.

### Claim 14 (depends on 11)

The sod roll picker according to claim 11, wherein each guide roller includes a pair of shoulders with a channel therebetween.