US3840125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for mounting auxiliary equipment on a crane
Assignee: Individual
•
Filing: 1972-07-25
•
Granted: 1974-10-08
•
Expires: 1992-07-25
Abstract
Abstract A power operated hydraulic actuator is mounted on a crane to operate a latch which secures an outrigger support to the crane. The actuator has two telescopic pistons movable in each direction to move latch members into spaced apart lugs on the crane to fasten outrigger support lugs to the crane. The pistons in the actuator are reversed to disengage the latch members from the lugs on the outrigger support to release the support from the crane.
Inventors
- 👤 H Cozad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:06
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/72; B66C23/78; B66C23/80
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
125 words
Mechanism for removably mounting an elongated outrigger support in an operating position on a crane comprising two actuators mounted on the crane in spaced apart relation, two latches connected to each actuator and extending in opposite directions from each actuator, means at each end of said outrigger support to straddle an actuator and receive the opposing latches when the latches are extended to secure the outrigger support to the crane, and a control member mounted on the crane operably connected to said actuators selectively to extend said latches into said outrigger support to secure the outrigger support in said operating position on the crane and to retract said latches from said outrigger support to release said outrigger support from the operating position on said crane.
Claim 2
Dependent Claim
125 words
Mechanism for removably mounting an elongated outrigger support in an operating position on a crane comprising two actuators mounted on the crane in spaced apart relation, two latches connected to each actuator and extending in opposite directions from each actuator, means at each end of said outrigger support to straddle an actuator and receive the opposing latches when the latches are extended to secure the outrigger support to the crane, and a control member mounted on the crane operably connected to said actuators selectively to extend said latches into said outrigger support to secure the outrigger support in said operating position on the crane and to retract said latches from said outrigger support to release said outrigger support from the operating position on said crane.
Claim 3
Dependent Claim
152 words
Mechanism for removably mounted a narrow elongated outrigger support in an operating position on a crane comprising two hydraulic actuators mounted on the crane in spaced apart relation, each actuator having two opposing outer pistons and two opposing inner pistons, said inner pistons telescopically received in the outer pistons and having a latch connected thereto, means at each end of said outrigger support to straddle an actuator and receive opposing latches when the latches are extended to secure the outrigger support to the crane, and a hydraulic valve mounted on the crane hydraulically connected to said actuators selectively to supply fluid under pressure to one end of said inner and outer pistons to extend said latches into said outrigger support and to supply fluid under pressure to the other end of said inner and outer pistons to retract said latches from said outrigger support to release said outrigger support from said crane.
Claim 4
Dependent Claim
152 words
Mechanism for removably mounted a narrow elongated outrigger support in an operating position on a crane comprising two hydraulic actuators mounted on the crane in spaced apart relation, each actuator having two opposing outer pistons and two opposing inner pistons, said inner pistons telescopically received in the outer pistons and having a latch connected thereto, means at each end of said outrigger support to straddle an actuator and receive opposing latches when the latches are extended to secure the outrigger support to the crane, and a hydraulic valve mounted on the crane hydraulically connected to said actuators selectively to supply fluid under pressure to one end of said inner and outer pistons to extend said latches into said outrigger support and to supply fluid under pressure to the other end of said inner and outer pistons to retract said latches from said outrigger support to release said outrigger support from said crane.
Claim 5
Dependent Claim
191 words
Mechanism for removably mounting in an operating position on a crane a narrow elongated outrigger support having two extendable arms and having two actuators connected, respectively, to said arms for the extension and retraction thereof, the mounting mechanism comprising two hydraulic actuators mounted on the crane in spaced apart relation, each actuator having two opposing outer pistons and two opposing inner pistons, said inner pistons telescopically received in the outer pistons and having a latch connected thereto, means at each end of said outrigger support to straddle an actuator and receive opposing latches when the latches are extended to secure the outrigger support to the crane, a source of fluid under pressure on the crane, a hydraulic control valve mounted on the crane and connected hydraulically to said source, means to detachably connect the outrigger support arm actuators to said valve for extension and retraction of said arms and alternatively to connect said latch actuators to said valve to supply fluid under pressure alternatively to one end and the other end of said inner and outer pistons for extension and retraction of said latches into and out of said outrigger support.
Claim 6
Dependent Claim
191 words
Mechanism for removably mounting in an operating position on a crane a narrow elongated outrigger support having two extendable arms and having two actuators connected, respectively, to said arms for the extension and retraction thereof, the mounting mechanism comprising two hydraulic actuators mounted on the crane in spaced apart relation, each actuator having two opposing outer pistons and two opposing inner pistons, said inner pistons telescopically received in the outer pistons and having a latch connected thereto, means at each end of said outrigger support to straddle an actuator and receive opposing latches when the latches are extended to secure the outrigger support to the crane, a source of fluid under pressure on the crane, a hydraulic control valve mounted on the crane and connected hydraulically to said source, means to detachably connect the outrigger support arm actuators to said valve for extension and retraction of said arms and alternatively to connect said latch actuators to said valve to supply fluid under pressure alternatively to one end and the other end of said inner and outer pistons for extension and retraction of said latches into and out of said outrigger support.
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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) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |