US5282678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cart for medication
Assignee: Capsa Solutions LLC
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Filing: 1992-02-28
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Granted: 1994-02-01
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Expires: 2012-02-28
Abstract
Abstract A medication cart has a base formed of a pair of molded plates interconnected by rails. The plates have molded grooves and holes for receiving structural elements of the cart. Molded hollow plastic end panels have horizontal ribs that support drawers. The end panels are seated in grooves in the base plates. A top cap covers the top of the cart. Locking bars which can be made to automatically open are provided to secure the drawers in the cart.
Inventors
- 👤 Rainer B. Teufel
- 👤 Timothy A. Friar
- 👤 Paul P. Kolada
- 👤 Jerome M. Romick
- 👤 Marc D. Taylor
- 👤 Duane Beardsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:54
CPC Classifications
A; A61; A61G; A61G12/00; A61G12/001; B; B62; B62B; B62B3/00; B62B3/006; A47; A47B; A47B31/00; A47B2031/003; A47B2031/006; A61G2203/00; A61G2203/70; A61G2203/72; A61G2203/723
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
103 words
In a medication cart having a base, two spaced end panels mounted on said base and slidable drawers supported by said end panels, a door lock comprising: a vertical locking bar on at least one corner on one side of said cart, said locking bar having a vertical axis, a lock collar mounted above said panels, said locking bar having studs at its upper and lower ends, said lock collar and base having holes to receive said studs, thereby mounting said lock bar for pivotal movement about said vertical axis, and means on said lock collar for locking said bar across said drawers.
Claim 2
Dependent Claim
103 words
In a medication cart having a base, two spaced end panels mounted on said base and slidable drawers supported by said end panels, a door lock comprising: a vertical locking bar on at least one corner on one side of said cart, said locking bar having a vertical axis, a lock collar mounted above said panels, said locking bar having studs at its upper and lower ends, said lock collar and base having holes to receive said studs, thereby mounting said lock bar for pivotal movement about said vertical axis, and means on said lock collar for locking said bar across said drawers.
Claim 3
Dependent Claim
47 words
A door lock as in claim 1 in which said end panels are hollow, molded plastic elements having vertical edges, the vertical edge adjacent each locking bar having a vertical groove, each locking bar pivoting into said groove when said lock bar is in an unlocked condition.
Claim 4
Dependent Claim
78 words
A door lock as in claim 1 in which said locking means comprises: a hole in the upper end of said locking bar, a bolt in said lock collar mounted for vertical sliding movement into and out of said hole in said locking bar, and a fitting in said lock collar having spaced holes for said locking bar stud and said bolt, respectively, to maintain proper spacing that assures entry of said bolt into said locking bar hole.
Claim 5
Dependent Claim
34 words
A door lock as in claim 1 further comprising means, on each, locking bar for automatically pivoting said locking bar from a closed to a fully open position, after said locking bar is unlocked.
Claim 6
Dependent Claim
55 words
A door lock as in claim 4 in which said automatic pivoting means comprises: at least one torsion spring surrounding a lower stud, said spring having one end bearing against an end panel and the other end bearing against a locking bar, wherein said torsion spring interacts between said end panel and said locking bar.
Claim 7
Dependent Claim
27 words
A door lock as in claim 5 in which said torsion spring is also a compression spring that urges said locking bar upwardly against said lock collar.
Claim 8
Dependent Claim
41 words
A door lock as in claim 1 further comprising: means for positioning the upper end of each locking bar in at least close proximity to said lock collar when said locking bar is pivoted across said drawers to a closed position.
Claim 9
Dependent Claim
108 words
A door lock as in claim 7 in which said positioning means comprises: at least one beveled wing projecting laterally from the upper stud on each locking bar; the hole in said lock collar for receiving said upper locking bar stud having at least one lateral slot formed as a part thereof, wherein said slot allows said winged stud to pass through said upper stud receiving hole; and a ramp located adjacent to each upper stud receiving hole and positioned such that said wing rides up and down said ramp as said locking bar is closed and opened, raising and lowering the upper end of said locking bar.
Claim 10
Dependent Claim
51 words
A door lock as in claim 8 in which said positioning means further comprises: a compression spring located at the lower end of each locking bar and interacting between the lower end of said locking bar and the base of said cart to exert an upward force on said locking bar.
Claim 11
Dependent Claim
129 words
In a medication cart having a base, two spaced end panels mounted on said base and slidable drawers supported by said end panels, a door lock comprising: a fitting mounted above said panels at a corner of said cart and having an upper hole; said base having a lower hole aligned with said upper hole; a locking bar having a vertical axis and studs at its upper and lower ends projecting into said upper and lower holes respectively, said locking bar being pivotable about said vertical axis; cam means between said upper stud and said fitting to cam said locking bar up against said fitting when said locking bar is pivoted to a closed position overlying said drawers; and means for locking said locking bar in the closed position.
Claim 12
Dependent Claim
129 words
In a medication cart having a base, two spaced end panels mounted on said base and slidable drawers supported by said end panels, a door lock comprising: a fitting mounted above said panels at a corner of said cart and having an upper hole; said base having a lower hole aligned with said upper hole; a locking bar having a vertical axis and studs at its upper and lower ends projecting into said upper and lower holes respectively, said locking bar being pivotable about said vertical axis; cam means between said upper stud and said fitting to cam said locking bar up against said fitting when said locking bar is pivoted to a closed position overlying said drawers; and means for locking said locking bar in the closed position.
Claim 13
Dependent Claim
51 words
A door lock as in claim 10 in which said cam means comprises: a pair of wings projecting laterally from the upper end of said upper stud; and ramps on said fitting engageable with said wings to ramp said studs and locking bar upwardly when said locking bar is swung closed.
References Cited (Backward Citations)
US1486094A
Cited
US1818525A
Cited
US3329473A
Cited
US3788242A
Cited
US3736035A
Cited
US3779623A
Cited
US3767280A
Cited
US4352529A
Cited
US4466676A
Cited
US4616890A
Cited
US4691970A
Cited
US4848859A
Cited
US4822116A
Cited
US4793667A
Cited
US5050942A
Cited
US4958891A
Cited
US5069466A
Cited
US5069511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-01-31 | 1997-08-02 | 1998-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-31 | 2001-08-02 | 2002-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-31 | 2005-08-02 | 2006-02-01 | $7700.00 | Window Closed / Lapsed |