WILLIAM W PITTENDREIGH
Engineering in New Bedford, MA
License number
Massachusetts 18708
Expiration Date
Jun 30, 1996
Type
Mechanical Engineer
Address
Address
New Bedford, MA 02740
Professional information
Locking Arrangement
US Patent:
4077241, Mar 7, 1978
Filed:
Nov 9, 1976
Appl. No.:
5/740194
Inventors:
M. Roy Cohen - East Warren VT
Bruce W. Arrington - Westport MA
William W. Pittendreigh - New Bedford MA
Bruce W. Arrington - Westport MA
William W. Pittendreigh - New Bedford MA
International Classification:
E05B 904
US Classification:
70371
Abstract:
A tamper-resistant locking arrangement is provided by positioning a pair of key-actuated cylinder locks in coaxial relationship within a housing. One of the locks is adapted to be selectively removed to provide access to a key-receiving end of the other lock spaced inwardly from the end of the housing.