Patent US3633389A successfully refreshed from Google Patents.
US3633389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge-mounted lock for a door
Assignee: Blumcraft of Pittsburgh LP
•
Filing: 1970-11-09
•
Granted: 1972-01-11
•
Expires: 1990-11-09
Abstract
Abstract A lock mechanism for a door comprises a plurality of lock cylinders which are mounted on edge rather than flush with the door and which are interconnected through the door by means of a slide bar. The slide bar actuates a lever in response to appropriate movement of tabs on the lock cylinders, to lock or unlock the door by extending or retracting one or more bolts.
Inventors
- 👤 William J Horgan Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:42
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/007; E05B65/00; E05B65/0025; E05C; E05C9/00; E05C9/04; E05B1/00; E05B1/0015; E05C9/008; Y; Y10; Y10S; Y10S292/00; Y10S292/56; Y10S292/57; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1015; Y10T292/1016; Y10T292/62; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/5279; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
111 words
A lock mechanism for a door, comprising: a. a plurality of lock cylinder means having movable locking tab means connected thereto, said locking tab means being movable in planes other than parallel to the face of said door; b. a pivot arm pivotable about its fulcrum; c. actuating means connected to said pivot arm and engageable by said locking tab means to pivot said pivot arm in response to movement of said locking tab means; and d. locking bolt means comprising at least one lock bolt and slide mechanism movable in response to pivotal movement of said pivot arm for extending or retracting said lock bolt with respect to said mechanism.
Claim 2
Dependent Claim
111 words
A lock mechanism for a door, comprising: a. a plurality of lock cylinder means having movable locking tab means connected thereto, said locking tab means being movable in planes other than parallel to the face of said door; b. a pivot arm pivotable about its fulcrum; c. actuating means connected to said pivot arm and engageable by said locking tab means to pivot said pivot arm in response to movement of said locking tab means; and d. locking bolt means comprising at least one lock bolt and slide mechanism movable in response to pivotal movement of said pivot arm for extending or retracting said lock bolt with respect to said mechanism.
Claim 3
Dependent Claim
51 words
The invention of claim 1 wherein said actuating means comprises a lug attached to said pivot arm and a crossover bar mechanism attached to said pivot arm, said crossover bar mechanism passing through said door and being movable in response to movement of said pivot arm or said locking tab means.
Claim 4
Dependent Claim
38 words
The invention of claim 2 wherein said crossover bar mechanism comprises a crossover driver pivotally connected at one end to said pivot arm and extending through said door and being supported at its free end for transverse movement.
Claim 5
Dependent Claim
25 words
The invention of claim 2 wherein said crossover driver has means thereon for engaging the locking tab means of one of said lock cylinder means.
Claim 6
Dependent Claim
27 words
The invention of claim 3 wherein said support comprises a ball bearing mounted in said mechanism and disposed to support said crossover bar on its bearing surface.
Claim 7
Dependent Claim
24 words
The invention of claim 4 wherein the means on said crossover driver for engaging the tab means comprises a plurality of upwardly extending fingers.
Claim 8
Dependent Claim
11 words
The invention of claim 1 wherein said lock bolt operates vertically.
Claim 9
Dependent Claim
29 words
The invention of claim 1 wherein said lock bolt is connected to a slide assembly, said slide assembly being cam actuated in response to movement of said pivot arm.
Claim 10
Dependent Claim
26 words
The invention of claim 5 wherein said cam actuation is provided by a sloped surface on said slide assembly engaging a portion of said pivot arm.
Claim 11
Dependent Claim
30 words
The invention of claim 1 wherein said bolt is disposed at least partially within the frame of said mechanism and bearing means are attached to said bolt engaging said frame.
Claim 12
Dependent Claim
15 words
The invention of claim 10 wherein said bearing means comprises a plurality of ball bearings.
Claim 13
Dependent Claim
24 words
The invention of claim 10 wherein a plurality of said bolts are provided in said mechanism extending from opposite ends of the frame thereof.
Claim 14
Dependent Claim
38 words
The invention of claim 8 wherein said slide assembly comprises a plurality of plates fixedly positioned with respect to one another and having mounted therebetween a plurality of bearings for engagement with the frame of said lock mechanism.
Claim 15
Dependent Claim
37 words
The invention of claim 9 wherein the portion of the pivot arm engaging the sloping surface on the slide assembly comprises the cylindrical surface of a rotatable ball bearing which is rotatably attached to said pivot arm.
Claim 16
Dependent Claim
85 words
The invention of claim 8 wherein said slide assembly comprises a plurality of plates fixedly spaced with respect to one another, said plates having substantially S-shaped apertures therein, and pin means extend from said pivot arm and into said apertures, said pin means being so positioned as to provide a means for positively preventing said slide means from moving when it and the pivot arm are in a predetermined position whereby said mechanism is prevented from being unlocked without appropriate movement of the pivot arm.
Claim 17
Dependent Claim
61 words
The invention of claim 1 wherein said arm is pivoted from a fixed bracket attached to said mechanism, said bracket including a resilient portion, and said lock bolt is connected to a slide assembly, said slide assembly being cam actuated in response to movement of said pivot arm and being positioned to engage said resilient portion upon locking of said mechanism.
References Cited (Backward Citations)
US3118298A
Cited
US795897A
Cited
US1651394A
Cited
US1719203A
Cited
US1929985A
Cited
US2049939A
Cited
US2147826A
Cited
US2240400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |