US3763966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parking brake for a cart or the like
Assignee: Individual
•
Filing: 1972-02-25
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Granted: 1973-10-09
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Expires: 1992-02-25
Abstract
Abstract A manually operable ground engaging brake for use on wheeled vehicles such as merchandise carts, baby carriages, wheel chairs, or the like, which can be selectively engaged by the operator to park or anchor the cart as desired to hold the cart in place on an inclined surface or in a strong wind or the like.
Inventors
- 👤 J Close
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:59
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/04; B62B5/049
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
195 words
A parking brake for a cart having a basket portion and an undercarriage assembly with a plurality of rotatable wheels mounted on said undercarriage for movably supporting said cart on a support surface, said brake comprising: a. a rod mounted on said cart for pivotal and reciprocal movement relative thereto, b. brake foot means operatively attached to and carried by one end of said rod and movable thereby between a first position wherein said brake foot means frictionally engages said support surface and a second position wherein said brake foot means is spaced above said support surface, c. resilient spring means operatively associated with said brake foot means for resiliently urging said brake foot means in a direction to move toward said second position, and d. rod operator means operatively associated with said rod and said resilient spring means for movement between a first operator position wherein said brake foot means is in said first position and a second operator position wherein said brake foot is releasably held in said second position, said operator comprising a connecting arm with one end pivotally connected to said cart and the other end pivotally connected to said rod.
Claim 2
Dependent Claim
195 words
A parking brake for a cart having a basket portion and an undercarriage assembly with a plurality of rotatable wheels mounted on said undercarriage for movably supporting said cart on a support surface, said brake comprising: a. a rod mounted on said cart for pivotal and reciprocal movement relative thereto, b. brake foot means operatively attached to and carried by one end of said rod and movable thereby between a first position wherein said brake foot means frictionally engages said support surface and a second position wherein said brake foot means is spaced above said support surface, c. resilient spring means operatively associated with said brake foot means for resiliently urging said brake foot means in a direction to move toward said second position, and d. rod operator means operatively associated with said rod and said resilient spring means for movement between a first operator position wherein said brake foot means is in said first position and a second operator position wherein said brake foot is releasably held in said second position, said operator comprising a connecting arm with one end pivotally connected to said cart and the other end pivotally connected to said rod.
Claim 3
Dependent Claim
54 words
A parking brake as defined in claim 1 wherein said brake foot means comprises an elongated tubular member of resiliEnt material, said tubular member being mounted on the lowermost end of said rod, said rod being inserted into the interior of said tubular member along a portion of the length of said tubular member.
Claim 4
Dependent Claim
31 words
A parking brake as defined in claim 1 additionally comprising at least one guide means attached to said cart to limit the movement of said rod with respect to said cart.
Claim 5
Dependent Claim
38 words
A parking brake as defined in claim 3 wherein said resilient spring means comprises a tension spring with one end attached to said brake foot means and the other end attached to said at least one guide means.
Claim 6
Dependent Claim
28 words
A parking brake as defined in claim 1 wherein handle means are attached to the uppermost end of said rod for gripping and applying force to said rod.
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |