High security T-handle assembly

Details High security T-handle assembly High security T-handle assembly

1983-12-06

1985-11-12

Wolfe, Robert L.

Locks

Special application

For control and machine elements

70417, E05B 6300

Patent

active

045520011

ABSTRACT:
A pop-out T-handle assembly of the type containing a lock cylinder having high security features which defy forced entry is disclosed. A cylinder front handle and cylinder/extension housing are assembled around the cylinder lock and rigidly secured for protection against pulling the lock. The face of the cylinder lock is preferably protected by a freely rotating cylinder protector plate to protect against drilling into the cylinder lock. A locator tab and slot arrangement assures alignment of the cylinder lock bolt and a corresponding opening in the T-handle housing, as well as restricts lateral movement of the cylinder front handle within the T-handle housing to protect against prying. A T-handle clutch arrangement of a generally square configuration provides extensive bearing surface to absorb torque and prevent wear. An auxiliary locking mechanism for added protection against pulling the inner cylinder of the lock in the event that the cylinder protector plate is defeated or a method is devised to either pull or pry the cylinder front handle.

REFERENCES:
patent: Re16123 (1925-07-01), Schonwald
patent: 3089329 (1963-05-01), Kerr
patent: 3089330 (1963-05-01), Kerr
patent: 3111833 (1963-11-01), Dettmer
patent: 3122012 (1964-02-01), Christopher
patent: 3213654 (1965-10-01), Dauenbaugh et al.
patent: 3222899 (1965-12-01), Bodoh et al.
patent: 3234765 (1966-02-01), Kerr
patent: 3285043 (1966-11-01), Dauenbaugh et al.
patent: 3299078 (1967-01-01), Spencer
patent: 3302434 (1967-02-01), Dauenbaugh et al.
patent: 3438227 (1969-04-01), Wolniak
patent: 3550412 (1970-12-01), Pitel et al.
patent: 3738134 (1973-06-01), Hall
patent: 4132092 (1979-01-01), Steinbach

Affiliated with

Also associated with

Rating

High security T-handle assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High security T-handle assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High security T-handle assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1873499