US3727438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Padlock protection system
Assignee: Knaack LLC
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Filing: 1971-06-01
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Granted: 1973-04-17
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Expires: 1991-06-01
Abstract
Abstract A tool box adapted to be locked shut by a padlock, including a main box portion, a retractable closure, a first lock bracket on the front wall of the main box portion, a second lock bracket on the closure, said lock brackets being of similar U shapes disposed in overlying relation when the box is closed so that the base of the U shapes is adapted to abut a padlock body and the bight between the legs of the U''s receives the lock shackle to prevent insertion of a prying tool when the lock is latched, a first lock cover on the main box portion extending outwardly below the lock brackets, and a second lock cover on the closure extending outwardly above the lock brackets and downwardly along the outside of the lock brackets to enclose the lock except at the ends.
Inventors
- 👤 H Knaack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:40
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/38; Y; Y10; Y10T; Y10T292/00; Y10T292/31; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/493; Y10T70/498; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7927
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
213 words
A container adapted to be secured by a padlock, comprising, a. a main container portion having an access opening, b. a closure portion for closing the opening and adapted to be retracted relative to the main container portion, c. a first lock bracket on the outside of one wall of the main container portion near the opening therein, d. a second lock bracket on the outside of the closure portion adjacent the first lock bracket when the cover is closed, e. said lock brackets being of U shapes disposed in adjacent relation when the cover is closed so that the base of the U shapes is adapted to abut a padlock body and the bight between the legs of the U receives the lock shackle and the legs of the U substantially close the space between the lock shackle and body to prevent insertion of a prying tool when the lock is latched, f. a first lock cover bracket on one container portion extending outwardly at one side of the lock brackets, and g. a second lock cover bracket on the other container portion extending outwardly at the opposite side of the lock brackets and along the outside of the lock brackets so that the lock is accessible only at opposite ends thereof.
Claim 2
Dependent Claim
213 words
A container adapted to be secured by a padlock, comprising, a. a main container portion having an access opening, b. a closure portion for closing the opening and adapted to be retracted relative to the main container portion, c. a first lock bracket on the outside of one wall of the main container portion near the opening therein, d. a second lock bracket on the outside of the closure portion adjacent the first lock bracket when the cover is closed, e. said lock brackets being of U shapes disposed in adjacent relation when the cover is closed so that the base of the U shapes is adapted to abut a padlock body and the bight between the legs of the U receives the lock shackle and the legs of the U substantially close the space between the lock shackle and body to prevent insertion of a prying tool when the lock is latched, f. a first lock cover bracket on one container portion extending outwardly at one side of the lock brackets, and g. a second lock cover bracket on the other container portion extending outwardly at the opposite side of the lock brackets and along the outside of the lock brackets so that the lock is accessible only at opposite ends thereof.
Claim 3
Dependent Claim
24 words
A container as defined in claim 1, wherein the second lock cover bracket is on the closure portion and carries the second lock bracket.
Claim 4
Dependent Claim
25 words
A container as defined in claim 1, wherein the first lock cover bracket is on the main container portion and carries the first lock bracket.
Claim 5
Dependent Claim
189 words
A tool box adapted to be secured by a padlock, comprising, a. a main box portion having an access opening, b. a closure portion For closing the opening and adapted to be retracted relative to the main box portion, c. a first lock bracket on the outside of one wall of the main box portion near the opening therein, d. a second lock bracket on the outside of the closure portion adjacent the first lock bracket when the cover is closed, e. said lock brackets being formed of similar U shapes adapted to be straddled by a padlock shackle with the shackles in the bight between the legs of the U and adapted to be embraced by the padlock body so the padlock when latched holds the box closed, f. a first lock cover bracket on one box portion extending outwardly at one side of the lock brackets, and g. a second lock cover bracket on the other box portion extending outwardly at the opposite side of the lock brackets and along the outside of the lock brackets so that the lock is accessible only at opposite ends thereof.
Claim 6
Dependent Claim
189 words
A tool box adapted to be secured by a padlock, comprising, a. a main box portion having an access opening, b. a closure portion For closing the opening and adapted to be retracted relative to the main box portion, c. a first lock bracket on the outside of one wall of the main box portion near the opening therein, d. a second lock bracket on the outside of the closure portion adjacent the first lock bracket when the cover is closed, e. said lock brackets being formed of similar U shapes adapted to be straddled by a padlock shackle with the shackles in the bight between the legs of the U and adapted to be embraced by the padlock body so the padlock when latched holds the box closed, f. a first lock cover bracket on one box portion extending outwardly at one side of the lock brackets, and g. a second lock cover bracket on the other box portion extending outwardly at the opposite side of the lock brackets and along the outside of the lock brackets so that the lock is accessible only at opposite ends thereof.
Claim 7
Dependent Claim
210 words
A tool box adapted to be secured by a padlock, comprising, a. a main box portion having an access opening, b. a closure portion for closing the opening and adapted to be retracted relative to the main box portion, c. a first lock bracket on the outside of one wall of the main box portion near the opening therein, d. a second lock bracket on the outside of the closure portion adjacent the first lock bracket when the cover is closed, e. said lock brackets being of similar U shapes disposed in overlying relation when the cover is closed so that the base of the U shapes is adapted to abut a padlock body and the bight between the legs of the U receives the lock shackle to prevent insertion of a prying tool when the lock is latched, f. a first lock cover bracket on the main box portion extending outwardly at one side of the lock brackets, g. a second lock cover bracket on the cover portion extending outwardly at the opposite side of the lock brackets and along the outside of the lock brackets so that the lock is accessible only at opposite ends thereof, and h. said second lock cover bracket carrying said second lock bracket.
Claim 8
Dependent Claim
210 words
A tool box adapted to be secured by a padlock, comprising, a. a main box portion having an access opening, b. a closure portion for closing the opening and adapted to be retracted relative to the main box portion, c. a first lock bracket on the outside of one wall of the main box portion near the opening therein, d. a second lock bracket on the outside of the closure portion adjacent the first lock bracket when the cover is closed, e. said lock brackets being of similar U shapes disposed in overlying relation when the cover is closed so that the base of the U shapes is adapted to abut a padlock body and the bight between the legs of the U receives the lock shackle to prevent insertion of a prying tool when the lock is latched, f. a first lock cover bracket on the main box portion extending outwardly at one side of the lock brackets, g. a second lock cover bracket on the cover portion extending outwardly at the opposite side of the lock brackets and along the outside of the lock brackets so that the lock is accessible only at opposite ends thereof, and h. said second lock cover bracket carrying said second lock bracket.
Claim 9
Dependent Claim
190 words
A lock system for securing a cover member in closed position relative to a box member, comprising, a. a first mounting bracket having an upright flange adapted to be secured to an upright wall of one member, and a horizontal flange extending outwardly from one edge of the upright flange, b. a second mounting bracket having an upright flange adapted to be secured to an upright wall of the other member in the plane of the upright flange on the first bracket, a horizontal flange extending outwardly from one edge of the upright flange in spaced parallel relation to the horizontal flange on the first bracket, and a vertical flange extending downwardly from the outer edge of the horizontal flange in spaced parallel relation to the upright flange of the first bracket, c. a first lock bracket extending outwardly from the upright flange of the first bracket, and d. a second lock bracket extending inwardly from the vertical flange of the second bracket adjacent the first lock bracket, e. so that the lock brackets may be embraced by a padlock and the padlock protected by the horizontal and vertical flanges.
Claim 10
Dependent Claim
190 words
A lock system for securing a cover member in closed position relative to a box member, comprising, a. a first mounting bracket having an upright flange adapted to be secured to an upright wall of one member, and a horizontal flange extending outwardly from one edge of the upright flange, b. a second mounting bracket having an upright flange adapted to be secured to an upright wall of the other member in the plane of the upright flange on the first bracket, a horizontal flange extending outwardly from one edge of the upright flange in spaced parallel relation to the horizontal flange on the first bracket, and a vertical flange extending downwardly from the outer edge of the horizontal flange in spaced parallel relation to the upright flange of the first bracket, c. a first lock bracket extending outwardly from the upright flange of the first bracket, and d. a second lock bracket extending inwardly from the vertical flange of the second bracket adjacent the first lock bracket, e. so that the lock brackets may be embraced by a padlock and the padlock protected by the horizontal and vertical flanges.
Claim 11
Dependent Claim
46 words
A lock system as defined in claim 6, wherein the lock brackets are generally U-shaped so that the basses of the U-shapes are adapted to abut the body of a padlock with the shackle of the lock in the bight between the legs of the U-shapes.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |