Back to results
US 4,345,452 AGranted
Cam shaft operated punch press for expanding lead alloy battery grid material
AssigneeGeneral Battery Corporation
InventorWilliam J. Eberle
Life of this patent
Estimating the term…
Abstract
A punching apparatus for punching a strip of lead alloy material into a battery grid is provided with a support for supporting the material to be punched thereon and biased punch members above the support for punching through the material. Rotating cams engage the punch members and force the punch members downward through the material on the support. Rollers provided adjacent the support and the material to be punched move the material across the support means synchronously with the motion of the rotating cams engaging the punches.
Claims5
A punching apparatus comprising:
- a. support means for supporting a material to be punched thereon;
- b. biased punch means above said support means, said biased punch means comprised of:
- (i) a top plate above said support means said top plate having a plurality of horizontally aligned openings therethrough,
- (ii) punch means slidably mounted within each said opening and said top plate, and
- (iii) biasing means engaging said punch means for forcing said punch members upwards within said openings;
- c. cam means engaging said punch means for operating said punch means, said cam means comprised of:
- (i) a rotary punch cam drive shaft above said aligned openings, and
- (ii) a plurality of cam members eccentrically mounted on said punch cam drive shaft, one cam member above each opening, and engaging said punch members within said openings;
- d. moving means adjacent said support means and said material to be punched for moving material to be punched across said support means synchronously with the motion of said cam means.
6 more elements
A punching apparatus comprising:
- a. support means for supporting material to be punched thereon;
- b. biased punch means above said support means for punching through a material to be punched;
- c. cam means engaging the said punch means for operating said punch means;
- and
- d. moving means adjacent said support means and said material to be punched for moving material to be punched across said support means synchronously with the motion of said cam, said moving means comprised of:
- (i) a pair of rotary roller drive shafts, one above and one below said material to be punched;
- (ii) roller means eccentrically mounted on each of said roller drive shafts and engagable with said material to be punched for periodically moving said material during rotation of said drive shaft;
- and
- (iii) counter balancing means connected to said roller drive shafts for counter balancing said roller means during rotation of said roller drive shafts, whereby vibration of said roller drive shafts is substantially eliminated.
6 more elements
Dependencies are inferred from the claim text.