US4852895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dolly
Assignee: Individual
•
Filing: 1988-04-14
•
Granted: 1989-08-01
•
Expires: 2008-04-14
Abstract
Abstract A dolly for movably supporting one end of a load as the opposite end is hand carried. The dolly comprises a rectangular frame that defines an open space in which a lower end portion of the load may be cradled. The rectangular frame has two sections telescopically mounted one to the other whereby the width of the frame may be altered to accommodte loads of different widths by altering the position of one section with respect to the other. A pair of wheels are rotatably mounted to the frame.
Inventors
- 👤 Don Moffitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:20
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0083; B62B2202/00; B62B2202/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
247 words
A dolly for movably supporting an end of a load, and with the dolly comprising a frame having two substantially parallel arms linked together at their ends by two legs to define an open space in which a bottom end portion of a load may be cradled, and a pair of wheels rotatably mounted to opposite ends of one of said arms, said legs being fixed in length and said arms being adjustable in length whereby one dimension of said open space is altered to accommodate loads of different widths upon adjustment of the length of said arms, a pair of wheels rotatably mounted to said frame, spring means for biasing said adjustable arms to predetermine lengths, a corner key fixedly secured to one end of one of said legs and telescopically mounted to one end of one of said arms, and wherein said corner key has an axle to which one of said wheels is rotatably mounted and is formed with a hook located within an end portion of said one arm, and wherein said spring means has a tension spring mounted to said corner key hook, whereby a corner of the load may be nestled in the opening defined by the frame with the bottom of the load resting on one of the dolly arms and with the other dolly arm positioned on an end of the load, and with the width of the frame being adjusted to nest the load firmly to the dolly.
Claim 2
Dependent Claim
247 words
A dolly for movably supporting an end of a load, and with the dolly comprising a frame having two substantially parallel arms linked together at their ends by two legs to define an open space in which a bottom end portion of a load may be cradled, and a pair of wheels rotatably mounted to opposite ends of one of said arms, said legs being fixed in length and said arms being adjustable in length whereby one dimension of said open space is altered to accommodate loads of different widths upon adjustment of the length of said arms, a pair of wheels rotatably mounted to said frame, spring means for biasing said adjustable arms to predetermine lengths, a corner key fixedly secured to one end of one of said legs and telescopically mounted to one end of one of said arms, and wherein said corner key has an axle to which one of said wheels is rotatably mounted and is formed with a hook located within an end portion of said one arm, and wherein said spring means has a tension spring mounted to said corner key hook, whereby a corner of the load may be nestled in the opening defined by the frame with the bottom of the load resting on one of the dolly arms and with the other dolly arm positioned on an end of the load, and with the width of the frame being adjusted to nest the load firmly to the dolly.
Claim 3
Dependent Claim
104 words
A dolly for movably supporting an end of a load, and with the dolly comprising two arms and two legs linked at their ends by corner keys to define an open space in which a bottom end portion of a load may be cradled, a pair of wheels rotatably mounted to opposed corner keys at opposite ends of one of said arms, spring means for biasing said dolly to a predetermined width, and wherein at least one of said corner keys includes a hook located within its corresponding arm and wherein said spring means includes a tension spring mounted to said corner key hook.
Claim 4
Dependent Claim
104 words
A dolly for movably supporting an end of a load, and with the dolly comprising two arms and two legs linked at their ends by corner keys to define an open space in which a bottom end portion of a load may be cradled, a pair of wheels rotatably mounted to opposed corner keys at opposite ends of one of said arms, spring means for biasing said dolly to a predetermined width, and wherein at least one of said corner keys includes a hook located within its corresponding arm and wherein said spring means includes a tension spring mounted to said corner key hook.
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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) | 1992-07-31 | 1993-01-30 | 1993-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-31 | 1997-01-30 | 1997-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-31 | 2001-01-30 | 2001-08-01 | $7700.00 | Window Closed / Lapsed |