US4715075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable legs for folding crib
Assignee: Individual
•
Filing: 1987-02-03
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Granted: 1987-12-29
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Expires: 2007-02-03
Abstract
Abstract A convertible crib which has a frame with four upright corner posts, includes a leg for each corner post which is vertically movable for adjusting the height of the frame. Each corner post has a plurality of guide elements which are received in a guide channel provided in each of the legs. Bolts extend through holes in the legs and can be threadably engaged with the guide elements for holding the legs at a selected vertical position on the respective post. A plurality of holes are provided along the length of the legs so that the different set of holes can be selected to adjust the vertical height of the frame.
Inventors
- 👤 Louis Shamie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:13
CPC Classifications
A; A47; A47D; A47D7/00; A47D7/01; A47D9/00; A47D9/012; F; F16; F16B; F16B2200/00; F16B2200/30; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
154 words
In a crib having a frame with four upright corner posts at the corners thereof, the improvement comprising, a leg for each post, each leg having a vertically extending guide channel therein, at least two vertically aligned and vertically spaced guide elements connected to each post, said guide elements of one post being slidable in the channel of one leg for vertical movement of said one leg with respect to its one post, each leg having a plurality of holes therethrough which are in greater number than the number of guide elements for one post, each hole communicating with said channel, said holes being spaced apart by an amount equal to the vertical spacing of said guide elements on one post, and bolt means engageable through two of said holes and into engagement with said at least two guide elements of one post for fixing a vertical position of each leg on its post.
Claim 2
Dependent Claim
154 words
In a crib having a frame with four upright corner posts at the corners thereof, the improvement comprising, a leg for each post, each leg having a vertically extending guide channel therein, at least two vertically aligned and vertically spaced guide elements connected to each post, said guide elements of one post being slidable in the channel of one leg for vertical movement of said one leg with respect to its one post, each leg having a plurality of holes therethrough which are in greater number than the number of guide elements for one post, each hole communicating with said channel, said holes being spaced apart by an amount equal to the vertical spacing of said guide elements on one post, and bolt means engageable through two of said holes and into engagement with said at least two guide elements of one post for fixing a vertical position of each leg on its post.
Claim 3
Dependent Claim
42 words
The improvement of claim 1, wherein each post has an outer slide surface, each leg having an inner slide surface, said slide surfaces of said post and leg being slidably engaged with each other, said bolt means urging said slide surfaces together.
Claim 4
Dependent Claim
62 words
The improvement of claim 2, wherein each channel has a T-shaped horizontal cross section, each guide element comprising a button having a large diameter flange and a small diameter collar, each guide element including a threaded stud therein having threads, said bolt means comprising a knob having a bolt portion connected therethrough and being threadably engaged with said threads of one stud.
Claim 5
Dependent Claim
19 words
The improvement of claim 3, wherein each stud is made of metal and each button is made of plastic.
Claim 6
Dependent Claim
62 words
The improvement of claim 1, wherein each channel has a T-shaped horizontal cross section, each guide element comprising a button having a large diameter flange and a small diameter collar, each guide element including a threaded stud therein having threads, said bolt means comprising a knob having a bolt portion connected therethrough and being threadably engaged with said threads of one stud.
Claim 7
Dependent Claim
19 words
The improvement of claim 5, wherein each stud is made of metal and each button is made of plastic.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-28 | 1991-06-29 | 1991-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-28 | 1995-06-29 | 1995-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-28 | 1999-06-29 | 1999-12-29 | $7700.00 | Window Closed / Lapsed |