NHAC NGUYEN
Engineers in Vienna, VA
License number
Pennsylvania PE034801E
Category
Engineers
Type
Professional Engineer
Address
Address
2
Vienna, VA 22124
Pennsylvania
Pennsylvania
Professional information
Bundle Count Verifier
US Patent:
4785731, Nov 22, 1988
Filed:
Sep 25, 1987
Appl. No.:
7/100862
Inventors:
Nhac Nguyen - Oakton VA
Assignee:
American Newspaper Publishers Association - Reston VA
International Classification:
B65B 1320
US Classification:
100 4
Abstract:
An apparatus and method according to the invention for determining respective deviations in the total number of signatures in each of a plurality of individual successive stacks from a given number of signatures having a ram for compressing the stacks of the signatures, a linear differential voltage transducer for measuring the relative heights of signature stacks by measuring distance that the ram travels, control apparatus comprised primarily of a programmable controller for processing the output of the transducer and optical detection means for monitoring the stack top for a sheet indicating that the stack has an odd count and disabling the control apparatus for indicating deviations in stack count. Additionally, a strapper which includes the apparatus for determining the count deviations adapted to monitor the position of a belt drive.