Combination lock capable of being opened by a key or...

Details Combination lock capable of being opened by a key or... Combination lock capable of being opened by a key or...

2005-02-01

2005-02-01

Gall, Lloyd A. (Department: 3676)

Locks

Portable

Padlocks

C070S025000, C070S03800C, C070S284000, C070S285000

Reexamination Certificate

active

06848283

ABSTRACT:
A combination lock capable of being opened by a key or inhibited the same is disclosed. In the locked position inserting a key into a lock core for turning an abutment member will open the lock. In the unlocked position press the trigger member for moving a post down until grooves clear from ridges, rotate the post a predetermined degree to matingly engage first and second toothed members together, release a trigger member to cause both itself and the post to move up, inclined bottom ends of ridges are gradually engaged with and finally stopped by a second ratchet member, the post is stopped from moving up, and a space between the post and a top hole of the abutment member is reduced sufficiently to inhibit a short leg from moving out of an upper bore by turning the key.

REFERENCES:
patent: 972171 (1910-10-01), Dupont
patent: 1755521 (1930-04-01), Smith
patent: 4751830 (1988-06-01), Cheng
patent: 5715709 (1998-02-01), Lai
patent: 6539761 (2003-04-01), Yang
patent: 6708534 (2004-03-01), Ruan
patent: 6729166 (2004-05-01), Lai

Affiliated with

Also associated with

Rating

Combination lock capable of being opened by a key or... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Combination lock capable of being opened by a key or..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combination lock capable of being opened by a key or... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3500123