US3713616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load holding device improvement
Assignee: Individual
•
Filing: 1971-03-05
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Granted: 1973-01-30
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Expires: 1991-03-05
Abstract
Abstract A guide rail in which a carriage is adapted for movement to a plurality of locations. The guide rail is provided with slots, the sides of which form an abutment. The carriage comprises a pair of feet joined together by an elongated U-shaped bridge forming a track along which a locking block is adapted to move to a plurality of positions. The locking block is provided with shoulders which become seated in the slots of the guide rail when the locking block is in one position to prohibit movement of the carriage along the guide rail. In another position of the locking block on the track, the shoulders on the locking block are extracted from the slots in the guide rail to permit movement of the carriage to the desired position. When the locking is in the position having the shoulders seated in the slots in the guide rail, an S-shaped member is passed under the bridge of the carriage and engages the locking block to hold the locking block in its position in the guide rail slots thereby locking the carriage in the desired location along the guide rail. In a second embodiment of the invention, a pair of spaced shoulders are provided on the locking block and the length of the locking block is such that it will engage the bridge member before the second shoulder on the locking block is extracted from the slots in the guide rail so that the locking block is contained within the bridge of the carriage to form a gravity lock when the load holding device is used in an overhead position.
Inventors
- 👤 T Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:24
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/002; B60; B60P; B60P7/00; B60P7/06; B60P7/08; B60P7/0807; B60P7/0815
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
188 words
In a load holding device the combination comprising a. an elongated guide means having 1. first latch means disposed at various positions along the length of said guide means, b. positioning means slidable along said guide means to a plurality of positions adjacent said first latch means, c. locking means having second latch means disposed thereon and bEing movable to a plurality of positions with respect to said positioning means but being retained thereby, d. said first and second latch means cooperating with each other when said locking means is in one position with respect to said positioning means to prohibit movement of said positioning means along said guide means, and said first and second latch means being free from cooperation when said locking means is in another position with respect to said positioning means to permit movement of said positioning means along said guide means. e. attaching means disposed on said positioning means, and f. and means selectively secured to said attaching means when said locking means is in said one position and engaging said locking means to positively lock said locking means in said one position.
Claim 2
Dependent Claim
188 words
In a load holding device the combination comprising a. an elongated guide means having 1. first latch means disposed at various positions along the length of said guide means, b. positioning means slidable along said guide means to a plurality of positions adjacent said first latch means, c. locking means having second latch means disposed thereon and bEing movable to a plurality of positions with respect to said positioning means but being retained thereby, d. said first and second latch means cooperating with each other when said locking means is in one position with respect to said positioning means to prohibit movement of said positioning means along said guide means, and said first and second latch means being free from cooperation when said locking means is in another position with respect to said positioning means to permit movement of said positioning means along said guide means. e. attaching means disposed on said positioning means, and f. and means selectively secured to said attaching means when said locking means is in said one position and engaging said locking means to positively lock said locking means in said one position.
Claim 3
Dependent Claim
14 words
In a load holding device the combination comprising a. an elongated guide means having
Claim 4
Dependent Claim
14 words
In a load holding device the combination comprising a. an elongated guide means having
Claim 5
Dependent Claim
173 words
first latch means disposed at various positions along the length of said guide means, b. positioning means slidable along said guide means to a plurality of positions adjacent said first latch means, c. locking means having second latch means disposed thereon and bEing movable to a plurality of positions with respect to said positioning means but being retained thereby, d. said first and second latch means cooperating with each other when said locking means is in one position with respect to said positioning means to prohibit movement of said positioning means along said guide means, and said first and second latch means being free from cooperation when said locking means is in another position with respect to said positioning means to permit movement of said positioning means along said guide means. e. attaching means disposed on said positioning means, and f. and means selectively secured to said attaching means when said locking means is in said one position and engaging said locking means to positively lock said locking means in said one position.
Claim 6
Dependent Claim
173 words
first latch means disposed at various positions along the length of said guide means, b. positioning means slidable along said guide means to a plurality of positions adjacent said first latch means, c. locking means having second latch means disposed thereon and bEing movable to a plurality of positions with respect to said positioning means but being retained thereby, d. said first and second latch means cooperating with each other when said locking means is in one position with respect to said positioning means to prohibit movement of said positioning means along said guide means, and said first and second latch means being free from cooperation when said locking means is in another position with respect to said positioning means to permit movement of said positioning means along said guide means. e. attaching means disposed on said positioning means, and f. and means selectively secured to said attaching means when said locking means is in said one position and engaging said locking means to positively lock said locking means in said one position.
Claim 7
Dependent Claim
49 words
The combination of claim 1 wherein said first latch means is formed by a plurality of relieved portions in said elongated guide means and said second latch means comprises a shoulder on said locking means adapted to be positioned within a selected relieved portion of said elongated guide means.
Claim 8
Dependent Claim
91 words
The combination of claim 1 wherein said positioning means includes means forming a track and said locking means is movable along said track means whereby said first and second latch means cooperate with each other when said locking means is in one position along said track to prohibit movement of said positioning means along said guide means, and said first and second latch means being free from cooperation when said locking means is in another position along said track means to permit movement of said positioning means along said guide means.
Claim 9
Dependent Claim
75 words
The combination set forth in claim 1, wherein said elongated guide means comprises a channel shaped member having bent-over lip portions on the open portion thereof and said positioning means comprises a carriage having base means slidable within said channel shaped member and retained therein by said bent-over lip portions and a track means extending outwardly from said base means between said bent-over lip portions of said channel shaped member and receiving said locking means.
Claim 10
Dependent Claim
19 words
The combination set forth in claim 4 wherein said attaching means is the terminal portion of said track means.
Claim 11
Dependent Claim
18 words
The combination of claim 5 wherein said means selectively secured to said attaching means comprises a hook member.
Claim 12
Dependent Claim
54 words
The combination of claim 4 wherein said track means takes the form of an elongated ''''U'''' shaped member extending outwardly from said base means and said locking means is provided with notch means cooperable with said ''''U'''' shaped member so that said locking means is adapted for slidable movement along said ''''U'''' shaped member.
Claim 13
Dependent Claim
46 words
The combination of claim 7 wherein the bridge of said ''''U'''' shaped member forms an attaching means and means is looped under said bridge for securement to said attaching means and cooperable engagement with said locking means to maintain said locking means in said one position.
Claim 14
Dependent Claim
97 words
The combination of claim 1 wherein said second latch means comprises a first shoulder engagable with said first latch means when said locking means is in said one position, and a second shoulder on said locking means engaging said first latch means when said locking means is in a second position, said first and said second shoulder being spaced from each other on said locking means whereby when said locking means is in a third position said first latch means is free to pass between said shoulders permitting movement of said positioning means along said guide means.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |