US3821884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door lock system
Assignee: Individual
•
Filing: 1973-02-16
•
Granted: 1974-07-02
•
Expires: 1993-02-16
Abstract
Abstract A multiple-locking bar for securing a sliding glass door and preventing a fixed glass door adjacent the sliding glass door from being pried outward or forced inward; the bar is pivotally attached to the fixed door, and pivots to a horizontal position in the path of the sliding door to block the sliding door; in various embodiments a key-lock-controlled bolt at the free end of the bar engages a keeper on the edge of the sliding door, a bolt extension at the pivoted end of the bar engages the jamb channel ordinarily supplied with glass door installations, a hook on the bar engages the fixed door, and an offset angle engages wall structure adjacent the glass door installation, to prevent forcing the fixed door in or out and to secure the sliding door; special locking bolt and keeper structures are also disclosed.
Inventors
- 👤 R Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:28
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0888; Y; Y10; Y10T; Y10T292/00; Y10T292/23; Y10T292/28; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7921
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
117 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, means for engaging the second end of the bar with said building wall structure, and means for detachably connecting an intermediate portion of the bar to the first panel.
Claim 2
Dependent Claim
117 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, means for engaging the second end of the bar with said building wall structure, and means for detachably connecting an intermediate portion of the bar to the first panel.
Claim 3
Dependent Claim
39 words
In the combination recited in claim 1, the means for detachably connecting comprising a downwardly disposed hook extending from the bar and an upwardly disposed hook affixed to the first panel in position to engage the downwardly disposed hook.
Claim 4
Dependent Claim
177 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, means for engaging the second end of the bar with said building wall structure, means for engaging an end portion of the bar with a portion of the end of the second panel contacted by the end of the bar comprising a tubular extendible member on said end portion of the bar and a fixed structure on said end of the second panel, the fixed structure comprising a protrusion proportioned to enter the tubular extendible member, and a keylock positioned for securing the extendible member in the extended position.
Claim 5
Dependent Claim
177 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, means for engaging the second end of the bar with said building wall structure, means for engaging an end portion of the bar with a portion of the end of the second panel contacted by the end of the bar comprising a tubular extendible member on said end portion of the bar and a fixed structure on said end of the second panel, the fixed structure comprising a protrusion proportioned to enter the tubular extendible member, and a keylock positioned for securing the extendible member in the extended position.
Claim 6
Dependent Claim
31 words
In the combination recited in claim 3, wherein the fixed structure has an additional protrusion for engaging an exterior portion of the tubular extendible member concurrently with the first said protrusion.
Claim 7
Dependent Claim
47 words
In the combination recited in claim 3, wherein the extendible member has a rectangular section, wherein the first end of the extendible member has a pyramidal shaped recess therein, and wherein the protrusion is in the form of a truncated, pyramid complementary to the pyramidal shaped recess.
Claim 8
Dependent Claim
133 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, means for engaging the second end of the bar with the building wall structure comprising a Z-angle having an offset length parallel with the plane for the doorway, the offset length of the Z-angle positioned for overlappingly engaging the building wall structure forming the doorway.
Claim 9
Dependent Claim
133 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, means for engaging the second end of the bar with the building wall structure comprising a Z-angle having an offset length parallel with the plane for the doorway, the offset length of the Z-angle positioned for overlappingly engaging the building wall structure forming the doorway.
Claim 10
Dependent Claim
146 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvEment comprising: a bar, means including a pivot bolt attached to said first panel for pivotally securing the bar to the first panel at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, and means for engaging the second end of the bar with the building wall structure comprising a portion of the channel-shaped door jamb aligned with the second end of the bar and overlapping the sides of the bar with the bar in a horizontal position.
Claim 11
Dependent Claim
146 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvEment comprising: a bar, means including a pivot bolt attached to said first panel for pivotally securing the bar to the first panel at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel, and means for engaging the second end of the bar with the building wall structure comprising a portion of the channel-shaped door jamb aligned with the second end of the bar and overlapping the sides of the bar with the bar in a horizontal position.
Claim 12
Dependent Claim
194 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel comprising a generally J-shaped bracket having a squared loop between the longer and shorter arms of the ''''J,'''' with a pivot member securing a portion of the bar proximate the second end thereof to the longer arm of the J-shaped bracket at a position causing the second end of the bar to extend into the squared loop of the J-shaped bracket in the horizontal pivotal position of the bar, means for securing the squared loop of the J-shaped bracket within the channel shape of the door jamb, and means for detachably connecting an intermediate portion of the bar with an intermediate portion of the first panel.
Claim 13
Dependent Claim
194 words
In combination with building wall structure forming a rectangular doorway and a channel-shaped door jamb framing at least a portion of the doorway, a first panel fixed in the door jamb at one side of the doorway, and a second panel slidably contained in the channel in position to slide past the first panel, the improvement comprising: a bar, means for pivotally securing the bar at a position intermediate the width of the first panel with the first end of the bar in contact with the second panel comprising a generally J-shaped bracket having a squared loop between the longer and shorter arms of the ''''J,'''' with a pivot member securing a portion of the bar proximate the second end thereof to the longer arm of the J-shaped bracket at a position causing the second end of the bar to extend into the squared loop of the J-shaped bracket in the horizontal pivotal position of the bar, means for securing the squared loop of the J-shaped bracket within the channel shape of the door jamb, and means for detachably connecting an intermediate portion of the bar with an intermediate portion of the first panel.
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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |