US3771385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed crank mounting
Assignee: Individual
•
Filing: 1972-08-14
•
Granted: 1973-11-13
•
Expires: 1992-08-14
Abstract
Abstract A bed crank mounting, includes a tube which is adapted to be connected to a rotatable part which is rotated to adjust the height of a bed or the position of one of its parts. The tube is provided with a slot extending inwardly from its outer end and carries a cross pivot pin upon which is mounted a hand crank for turning the tube and for raising and lowering the bed. The hand crank includes an axially elongated slot in which the pivot pin of the tube is confined. A cap is secured around the end of the tube and it includes an end slot which continues downwardly and along one side in alignment with the slot of the tube. The hand crank may pivot on the cross pin carried by the tube between a position in which the pin is engaged at the inner end of the slot and the end of the hand crank is engaged within the tube in a position for rotating the part or, to a position in which the pin is moved down to the outer end of the slot of the hand crank and the crank is pivoted downwardly and located to extend within the slot of the tube and the cap member. The construction includes means for holding the crank both in an inoperative position at which it extends downwardly and inwardly from the end of the tube. The holding means comprise either the formation at the end of the crank which provides a biasing effect when the crank is in a retracted downward position to hold it in that position, or projecting elements on the cap member which engage behind the crank to hold it in this position.
Inventors
- 👤 R Benoit
- 👤 J Curran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:28
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/04; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057; Y10T403/32073; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20744; Y10T74/20756; Y10T74/20762
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
175 words
A crank mounting for a bed which has a part which is rotatable to adjust the bed, comprising a hollow tube member having an opened end with a slot extending axially inwardly therefrom, a pivot pin carried by said tubular member extending across the interior thereof, a crank having a shaft portion in said tubular member with an axially elongated slot in which said pivot pin is engaged and having a crank arm with a handle portion, said crank being pivotal on said pin between a position in whicH said crank shaft extends in axial alignment with said tubular member and a position in which said crank shaft extends obliquely to the axis of said tubular member, and holding means associated with said crank and said tubular member for holding said crank in a first operating position in which said crank shaft portion extends parallel to the axis of said tubular member and a second non-operative storage position in which said crank shaft portion extends obliquely in respect to the axis of said tubular member.
Claim 2
Dependent Claim
175 words
A crank mounting for a bed which has a part which is rotatable to adjust the bed, comprising a hollow tube member having an opened end with a slot extending axially inwardly therefrom, a pivot pin carried by said tubular member extending across the interior thereof, a crank having a shaft portion in said tubular member with an axially elongated slot in which said pivot pin is engaged and having a crank arm with a handle portion, said crank being pivotal on said pin between a position in whicH said crank shaft extends in axial alignment with said tubular member and a position in which said crank shaft extends obliquely to the axis of said tubular member, and holding means associated with said crank and said tubular member for holding said crank in a first operating position in which said crank shaft portion extends parallel to the axis of said tubular member and a second non-operative storage position in which said crank shaft portion extends obliquely in respect to the axis of said tubular member.
Claim 3
Dependent Claim
48 words
A crank mounting, according to claim 1, including a cap covering the end of said tubular member and having an access slot at its end through which said crank shaft portion extends and having a downwardly extending and opening slot aligned with the slot of said tubular member.
Claim 4
Dependent Claim
75 words
A crank mounting, according to claim 2, wherein said holding means comprising the slot in said crank shaft portion wich permits said crank to be shifted to position the pin at the inner end of said slot to permit the crank shaft portion to move inwardly within said tubular member so that the walls of said tubular member hold said crank portion in a position in which it extends axially outwardly from said tubular member.
Claim 5
Dependent Claim
68 words
A crank mounting, according to claim 1, wherein said holding means includes a rounded end portion of said crank shaft portion which bears against the interior of said tube when said crank is rotated about said pivot pin and which includes a high point which moves beyond engagement with the interior of said tube to hold said crank shaft portion obliquely inwardly and downwardly in a non-operative position.
Claim 6
Dependent Claim
54 words
A crank mounting, according to claim 1, wherein said holding means includes a downwardly extending portion of said cap located below the slot of said tubular member and having a projection thereon, said crank shaft portion being movable beyond the projection in an inoperative position and being held by the projection in such position.
Claim 7
Dependent Claim
306 words
A crank mounting for a bed which has a part which is rotated to adjust the bed, comprising a hollow tubular member having an opened end with a slot extending axially inwardly from the opened end at the bottom thereof, a cap axially covering an end portion of said tubular member and having a slot at an end thereof which continues into the lower portion thereof and which is in alignment with the slot of said tubular member, a pivot pin extending across the interior of said tubular member over said slots and held in said cap, a crank having a shaft portion which extends through the slot of said cap and into the interior of said tubular member and includes an axially elongated slot adjacent its interior end in which said pivot pin is engaged, said crank also having a crank arm portion forming a handle for rotating said crank, said pin being positionable at the inner end of said crank shaft portion slot to orient the inner end of said crank shaft portion beyond the inner end of the slot of said tubular member and to hold said crank shaft portion so as to extend axially outwardly from said tubular member in a position for operating said crank, said crank shaft portion being movable to shift said pin to the outer end of said crank shaft portion slot to permit rotation of said crank around said pivot pin to position said shaft portion downwardly below said tubular member, the end of said crank shaft portion being shaped to engage against the interior wall of said tubular member and having a high portion which moves beyond bearing engagement of the interior of said tubular member when said crank shaft portion is in inoperative obliquely inwardly extending position and holds said crank in an inoperative position.
Claim 8
Dependent Claim
306 words
A crank mounting for a bed which has a part which is rotated to adjust the bed, comprising a hollow tubular member having an opened end with a slot extending axially inwardly from the opened end at the bottom thereof, a cap axially covering an end portion of said tubular member and having a slot at an end thereof which continues into the lower portion thereof and which is in alignment with the slot of said tubular member, a pivot pin extending across the interior of said tubular member over said slots and held in said cap, a crank having a shaft portion which extends through the slot of said cap and into the interior of said tubular member and includes an axially elongated slot adjacent its interior end in which said pivot pin is engaged, said crank also having a crank arm portion forming a handle for rotating said crank, said pin being positionable at the inner end of said crank shaft portion slot to orient the inner end of said crank shaft portion beyond the inner end of the slot of said tubular member and to hold said crank shaft portion so as to extend axially outwardly from said tubular member in a position for operating said crank, said crank shaft portion being movable to shift said pin to the outer end of said crank shaft portion slot to permit rotation of said crank around said pivot pin to position said shaft portion downwardly below said tubular member, the end of said crank shaft portion being shaped to engage against the interior wall of said tubular member and having a high portion which moves beyond bearing engagement of the interior of said tubular member when said crank shaft portion is in inoperative obliquely inwardly extending position and holds said crank in an inoperative position.
Claim 9
Dependent Claim
48 words
A crank mounting, according to claim 6, wherein said cap has a downwardly extending portion bounding each side of the slot in said tubular member forming an inwardly extending projection engageable behind the top edge of said crank shaft portion to hold said crank in a non-operative position.
References Cited (Backward Citations)
US1059675A
Cited
GB848123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |