Title: Device for handling a load bucket removably mountable on a vehicle

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Claims: What is claimed is:

1. A device for handling a load bucket removably mountable on a vehicle having a front end and a rear end and a framework extending longitudinally between said vehicle front and rear ends, said device comprising a boom having first and second ends and being provided, at said first end, with gripping means for gripping said bucket, while being pivotally connected at said second end to an arm which is pivotally connected to a shaft arranged transversally with respect to the framework of said vehicle and supported by a chassis which has a front end and a rear end and which also supports said boom, means being provided for angularly displacing said arm in a substantially vertical plane, at least one stop member being provided on said arm in the vicinity of said point of pivotal connection between said boom for limiting the pivotal movement of said boom with respect to said arm, said second end of said boom being provided with at least one lug adapted to co-operate with at least two abutment members located on a line extending longitudinally with respect to said vehicle framework, said abutment members being fixedly mounted on said front end of said chassis, said chassis comprising means for enabling said transverse shaft to be displaced longitudinally with respect to said framework, as well as shaft locking means for locking said shaft in a desired position with respect to said chassis, the latter being pivotally mounted at its end opposed to said boom on said vehicle framework, said device further comprising arm locking means for locking said arm in a predetermined angular position with respect to said chassis when said load bucket is placed on said vehicle.

2. The device of claim 1 wherein the portion of the boom located between said gripping means and the pivotal connection between said boom and said arm has a substantially rectilinear configuration.

3. The device of claim 1 wherein the portion of said boom which is comprised between said gripping means and the pivotal connection between said boom and said arm has an angular configuration.

4. The device of claim 1 wherein said arm comprises two arm beam members arranged side by side, and wherein said chassis comprises two chassis beam members placed side by side, said means for locking said arm in a desired angular position with respect to said chassis comprising two studs provided, respectively, on said two arm beam members and adapted to co-operate with two corresponding recesses provided, respectively, in said two chassis beam members.

5. The device of claim 1 wherein said boom comprises two boom beam members which are placed side by side, each one of said boom beam members being freely pivotally connected to a respective one of said arm beam members, said boom beam members being connected to each other by a cross member located in the vicinity of the pivotal connection between said arm and said boom and in the boom portion which comprises the boom end provided with said gripping means, said cross member being adapted to engage stop members which are provided on said arm, for locking said boom in a predetermined angular position with respect to said arm.

6. A device for handling a load bucket removably mountable on a vehicle having a front end and a rear end and a framework extending longitudinally between said vehicle front and rear ends, said device comprising a boom having first and second ends and being provided, at said first end, with gripping means for gripping said bucket, while being pivotally connected at said second end to an arm which is pivotally connected to a shaft arranged transversally with respect to the framework of said vehicle and supported by a chassis which has a front end and a rear end and which also supports said boom, means being provided for angularly displacing said arm in a substantially vertical plane, at least one stop member being provided on said arm in the vicinity of the point of pivotal connection between said arm and said boom for limiting the pivotal movement of said boom with respect to said arm, said second end of said boom being provided with at least one lug being adapted to co-operate with at least two abutment members located on a line extending longitudinally with respect to said vehicle framework, said abutment members being fixedly mounted on said front end of said chassis, said chassis comprising means for enabling said transverse shaft to be displaced longitudinally with respect to said framework, as well as shaft locking means for locking said shaft in a desired position with respect to said chassis, the latter being pivotally mounted at its end opposed to said boom on said vehicle framework, said device further comprising arm locking means for locking said arm in a predetermined position with respect to said chassis when said load bucket is placed on said vehicle, said boom comprising two boom beam members which are placed side by side, each one of said boom beam members being freely pivotally connected to a respective one of said arm beam members, said boom beam members being connected to each other by a cross member located in the vicinity of the pivotal connection between said arm and said boom and in the boom portion which comprises the boom end provided with said gripping means, said cross member being adapted to engage stop members which are provided on said arm, for locking said boom in a predetermined angular position with respect to said arm, two lugs being arranged at the boom portion comprised between the boom end which is provided with said gripping means and the pivotal connection between said boom and said arm, said lugs being adapted to co-operate each with at least one abutment member integrally connected to each one of the front ends of said chassis.

7. A device for handling a load bucket removably mountable on a vehicle having a front end and a rear end and a framework extending longitudinally between said vehicle front and rear ends, said device comprising a boom having first and second ends and being provided, at said first end, with gripping means for gripping said bucket, while being pivotally connected at said second end to an arm which is pivotally connected to a shaft arranged transversally with respect to the framework of said vehicle and supported to a chassis which has a front end and a rear end and which also supports said boom, means being provided for angularly displacing said arm in a substantially vertical plane, at least one stop member being provided on said arm in the vicinity of the point of pivotal connection between said arm and said boom for limiting the pivotal movement of said boom with respect to said arm, said second end of said boom being provided with at least one lug adapted to co-operate with at least two abutment members located on a line extending longitudinally with respect to said vehicle framework, said abutment members being fixedly mounted on said front end of said chassis, said chassis comprising means for enabling said transverse shaft to be displaced longitudinally with respect to said framework, as well as shaft locking means for locking said shaft in a desired position with respect to said chassis, the latter being pivotally mounted at its end opposed to said boom on said vehicle framework, said device further comprising arm locking means for locking said arm in a predetermined angular position with respect to said chassis when said load bucket is placed on said vehicle, said boom comprising two boom beam members which are placed side by side, each one of said boom beam members being freely pivotally connected to a respective one of said arm beam members, said boom beam members being connected to each other by a cross member located in the vicinity of the pivotal connection between said arm and said boom and in the boom portion which comprises the boom end provided with said gripping means, said cross member being adapted to engage stop members which are provided on said arm, for locking said boom in a predetermined angular position with respect to said arm, two lugs being arranged at the boom portion comprised between the boom end which is provided with said gripping means and the pivotal connection between said boom and said arm, said lugs being adapted to co-operate each with at least one abutment member integrally connected to each one of the front ends of said chassis, front abutment members being nprovided at the front ends of the chassis beam members, and rear abutment members being provided at the rear ends of said chassis beam members, said front abutment members being adapted to limit the forward movement of said lugs associated with said boom, while said rear abutment members are adapted to limit the rearward movement of said lugs.

8. A device for handling a load bucket removably mountable on a vehicle having a front end and a rear end and a framework extending longitudinally between said vehicle front and rear ends, said device comprising a boom having first and second ends and being provided, at said first end, with gripping means for gripping said bucket, while being pivotally connected at said second end to an arm which is pivotally connected to a shaft arranged transversely with respect to the framework of said vehicle and supported by a chassis which has a front end and a rear end and which also supports said boom, means being provided for angularly displacing said arm in a substantially vertical plane, at least one stop member being provided on said arm in the vicinity of the point of pivotal connection between said arm and said boom for limiting the pivotal movement of said boom with respect to said arm, said second end of said boom being provided with at least one lug adapted to co-operate with at least two abutment members located on a line extending longitudinally with respect to said vehicle framework, said abutment members being fixedly mounted on said front end of said chassis, said chassis comprising means for enabling said transverse shaft to be displaced longitudinally with respect to said framework, as well as shaft locking means for locking said shaft in a desired position with respect to said chassis, the latter being pivotally mounted at its end opposed to said boom on said vehicle framework, said device further comprising arm locking means for locking said arm in a predetermined angular position with respect to said chassis when said load bucket is placed on said vehicle, said boom comprising two boom members which are placed side by side, each one of said boom beam members being freely pivotally connected to a respective one of said arm beam members, said boom beam members being connected to each other by a cross member located in the vicinity of the pivotal connection between said arm and said boom and in the boom portion which comprises the boom end provided with said gripping means, said cross member being adapted to engage stop members which are provided on said arm, for locking said boom in a predetermined angular position with respect to said arm, two lugs being arranged at the boom portion comprised between the boom end which is provided with said gripping means and the pivotal connection between said boom and said arm, said lugs being adapted to co-operate each with at least one abutment member integrally connected to each one of the front ends of said chassis, front abutment members being provided at the front ends of the chassis beam members, and rear abutment members being provided at the ear ends of said chassis beam members, said front abutment members being adapted to limit the forward movement of said lugs associated with said boom, while said rear abutment members are adapted to limit the rearward movement of said lugs, said front abutment members having at least one rearwardly directed transverse vertical surface, and said rear abutment members having at least one forwardly directed transverse vertical suface, said transverse vertical surfaces being connected at their lower ends by a horizontal surface.

9. The device of claim 1 wherein a pressure fluid jack for angularly displacing said arm is mounted between two arm beam members constituting said arm and arranged in a side by side relation, said jack being pivotally mounted at its front end on a frame supporting said device, which frame is integrally connected to the framework of said vehicle, and the rear end of said jack being pivotally connected to a transverse shaft connecting said arm beam members.

10. The device of claim 1 wherein said means for displacing said transverse shaft comprise slide members mounted onto the ends of said transverse shaft and adapted to be slidingly displaced in slide-ways provided, respectively, in two chassis beam members which constitute said chassis and which are arranged in side by side relation.

11. A device for handling a load bucket removably mounted on a vehicle having a front end and a rear end and a framework extending longitudinally between said vehicle front and rear ends, said device comprising a boom having first and second ends and being provided, at said first end, with gripping means for gripping said bucket, while being pivotally connected at said second arm to an arm which is pivotally connected to a shaft arranged transversally with respect to the framework of said vehicle and supported by a chassis which has a front end and a rear end and which also supports said boom, means being provided for angularly displacing said arm in a substantially vertical plane, at least one stop member being provided on said arm in the vicinity of the point of pivotal connection between said arm and said boom for limiting the pivotal movement of said boom with respect to said arm, said second end of said boom being provided with at least one lug adapted to co-operate with at least two abutment members located on a line extending longitudinally with respect to said vehicle framework, said abutment members being fixedly mounted on said front end of said chassis, said chassis comprising means for enabling said transverse shaft to be displaced longitudinally with respect to said framework, as well as shaft locking means for locking said shaft in a desired position with respect to said chassis, the latter being pivotally mounted at its end opposed to said boom on said vehicle framework, said device further comprising arm locking means for locking said arm in a predetermined angular position with respect to said chassis when said load bucket is placed on said vehicle, said means for displacing said transverse shaft comprising slide members mounted onto the ends of said transverse shaft and adapted to be slidingly displaced in slide-ways provided, respectively, in two chassis beam members which essentially constitute said chassis and which are arranged in side by side relation, each one of said slide ways comprising at each one of its ends an abutment member.

12. The device of claim 1 wherein said means for locking said transverse shaft comprise a locking beam pivotally connected to said transverse shaft, said locking beam having one end adapted to engage a notch provided in a cross member of said chassis, and a rotatively mounted cam being provided and adapted to raise said locking beam.

Other info:

Inventors: Lemaire, Pierre

Application Number: 531533
Filing Date: 1974-12-11
Publication_date: 1976-03-09
Assignee:
Primary Class(es): 414/469 414/498, 414/546, 414/728
Other Classes:
US Patent Ref:

3819075	Jun, 1974	Derain	214/515.
3825137	Jul, 1974	Mackrill et al.	214/515.

Other Refs:
Primary Examiner: Makay, Albert J.
Assistant Examiner:
Attorney: Burgess Ryan and Wayne