VIBRATORY CONVEYOR

• US 3,648,828 A
• Filed: 12/31/1970
• Issued: 03/14/1972
• Est. Priority Date: 12/31/1970
• Status: Expired due to Term

• Current Assignee: Horace Mccaffrey Jr, McCaffrey, 9920 W. Edgerton Ave. Jr.
• Original Assignee: Horace Mccaffrey Jr, McCaffrey, 9920 W. Edgerton Ave. Jr.
• Inventors: McCaffrey, 9920 W. Edgerton Ave. Jr., McCaffrey, Horace Jr.
• Primary Examiner(s): Wegbreit, Joseph
• Assistant Examiner(s): Goodman, Alfred N.
• Application Number:
  US05/103,073
• Time in Patent Office: 439 Days
• Field of Search: 198/22BA,22BB 29/191,195,196.6 181/.5 252/62 248/20,21,358 161/182,186,161,125
• US Class Current: 198/763
• CPC Class Codes: B65G 27/00 Jigging conveyors
• CPC Class Codes: B65G 2812/0396 characterised by the material
• CPC Class Codes: Y10S 428/925 Relative dimension specified
• CPC Class Codes: Y10T 428/12701 Pb-base component
• CPC Class Codes: Y10T 428/12972 Containing 0.01-1.7% carbon [i.e., steel]

Abstract

A trough for a vibratory conveyor having a base, a number of flexible mounts to support the trough on the base, and an eccentric drive assembly to impart controlled vibratory motion to the trough, the trough being formed as a three layer laminate which includes an inner or wear surface of steel, a core of lead, and a restraining layer of steel, the three layers being completely bonded or secured to each other to provide a sound attenuated structure.

Claims

1. A vibratory conveyor comprising, a base, a trough, a number of flexible mounts supporting the trough on the base, said trough including a supporting layer, a restraining layer, and a lead core secured to said supporting layer and said restraining layer, and means for vibrating said trough.

2. The conveyor according to claim 1 including a visco elastic adhesive between said lead core and said supporting and restraining layers.

3. The conveyor according to claim 1 wherein the outer edge of said restraining layer is welded to said supporting layer and said lead core substantially completely fills the space between said supporting and restraining layers.

4. The conveyor according to claim 2 wherein said supporting layer is formed from a sheet of steel.

5. The conveyor according to claim 4 wherein said restraining layer is formed of a sheet of steel and said core is formed of a sheet of lead, said restraining layer and said core having a thickness less than the supporting layer.

6. A trough for a vibratory conveyor having a base, a number of flexible mounts for supporting said trough and a vibratory assembly operatively connected to vibrate said trough on said base, said trough including a supporting member, a restraining member, and a core of lead secured to said members.

7. The trough according to claim 6 wherein the outer edge of said restraining member is welded to said supporting member.

8. The trough according to claim 7 wherein said supporting member and restraining member are formed of sheets of steel, the thickness of the supporting layer being greater than the thickness of the restraining layer.

9. The trough according to claim 6 including a visco elastic adhesive provided between said core and said members.

10. The trough according to claim 9 wherein said supporting and restraining members are both formed of a sheet of steel, the thickness of the supporting member being greater than the thickness of the restraining member.