Device for elevating as well as tipping or tilting drums, barrels, containers, and the like

Claim 1

A device for lifting and tipping or tilting articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, an article-gripping member connected to said carriage and movable between an article-receiving position wherein said article-gripping member is in position to receive an article and an article-gripping position wherein said articlegripping member is in position securely to grip the article, hydraulic means for activating said article-gripping member from said article-receiving position thereof to said article-gripping position thereof, motor mechanism including a winch and a cable connected to said carriage for raising and lowering said carriage and said article-gripping member, activation of said winch to raise said article-gripping member causing activation of said hydraulic mechanism to move said article-gripping member from said article-receiving position thereof to said article-gripping position thereof, means for tilting or tipping said articlegripping member and the article gripped thereby responsive to activation of said winch, and means for selectively operating said tilting or tipping means, whereby activation of said winch and hence said hydraulic means results in lifting of the article gripped by said article-gripping member and activation of said winch and hence said hydraulic means in combination with selective activation of said tilting or tipping means results in simultaneous lifting of the article and tipping or tilting the same.

Claim 2

A device for lifting and tipping or tilting articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, an article-gripping member connected to said carriage and movable between an article-receiving position wherein said article-gripping member is in position to receive an article and an article-gripping position wherein said articlegripping member is in position securely to grip the article, hydraulic means for activating said article-gripping member from said article-receiving position thereof to said article-gripping position thereof, motor mechanism including a winch and a cable connected to said carriage for raising and lowering said carriage and said article-gripping member, activation of said winch to raise said article-gripping member causing activation of said hydraulic mechanism to move said article-gripping member from said article-receiving position thereof to said article-gripping position thereof, means for tilting or tipping said articlegripping member and the article gripped thereby responsive to activation of said winch, and means for selectively operating said tilting or tipping means, whereby activation of said winch and hence said hydraulic means results in lifting of the article gripped by said article-gripping member and activation of said winch and hence said hydraulic means in combination with selective activation of said tilting or tipping means results in simultaneous lifting of the article and tipping or tilting the same.

Claim 6

A device for lifting and tipping or tilting drums, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, two jaws connected to said carriage, said jaws being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving at least one of said jaws into said drum-gripping position, said jaws in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism including a hand-operated winch connected to said carriage for raising and lowering said carriage and said jaws, said hydraulic motor means being operated upon activation of said motor mechanism to raise said carriage along said upright, and means for tilting or tipping said jaws and the drum gripped thereby, said tilting or tipping means being selectively operable so as to permit said carriage to be raised without tilting or tipping said jaws and to permit said carriage to be raised along said upright while simultaneously tilting or tipping said jaws.

Claim 7

A device for lifting and tipping or tilting drums, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, two jaws connected to said carriage, said jaws being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving at least one of said jaws into said drum-gripping position, said jaws in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism including a hand-operated winch connected to said carriage for raising and lowering said carriage and said jaws, said hydraulic motor means being operated upon activation of said motor mechanism to raise said carriage along said upright, and means for tilting or tipping said jaws and the drum gripped thereby, said tilting or tipping means being selectively operable so as to permit said carriage to be raised without tilting or tipping said jaws and to permit said carriage to be raised along said upright while simultaneously tilting or tipping said jaws.

Claim 12

A device for lifting and tipping or tilting drums or other articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down movement therealong, two jaws connected to said carriage, said jaws being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving at least one of said jaws into said drum-gripping position, said jaws in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and and lowering said carriage and said jaws, a safety valve associated with said hydraulic motor means for preventing premature release of said jaws from said drum-gripping position, thereby to prevent unintentional release of the drum, and means for tilting and tipping said jaws and the drum gripped thereby, said tilting and tipping means including at least one foot pedal selectively connectable to said motor mechanism to permit selective operation of said foot pedal and thereby said tilting and tipping means during operation of said motor mechanism resulting in simultaneous movement of said carriage along said upright and rotation of said carriage so as to tip or tilt said jaws and the drum gripped thereby.

Claim 13

A device for lifting and tipping or tilting drums or other articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down movement therealong, two jaws connected to said carriage, said jaws being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving at least one of said jaws into said drum-gripping position, said jaws in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and and lowering said carriage and said jaws, a safety valve associated with said hydraulic motor means for preventing premature release of said jaws from said drum-gripping position, thereby to prevent unintentional release of the drum, and means for tilting and tipping said jaws and the drum gripped thereby, said tilting and tipping means including at least one foot pedal selectively connectable to said motor mechanism to permit selective operation of said foot pedal and thereby said tilting and tipping means during operation of said motor mechanism resulting in simultaneous movement of said carriage along said upright and rotation of said carriage so as to tip or tilt said jaws and the drum gripped thereby.

Claim 17

A device for lifting and tipping or tilting drums, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, a first jaw mounted on a movable arm connected to said carriage, said first jaw being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving said movable arm and thereby said first jaw mounted thereon into said drum-gripping position, a first cylinder and piston, said first piston being adapted for sliding movement within said first cylinder, said first cylinder being fixedly connected to said carriage for up-and-down sliding movement therewith along said upright, said first piston being operatively connected to said motor mechanism, a second cylinder and piston operatively connected to said first cylinder, said second piston being operatively connected to said movable arm and being adapted for sliding movement within said second cylinder, a second jaw mounted on a fixed arm connected to said carriage, said second jaw being pivotable between a drum-receiving position and a drum-gripping position, said first jaw and said second jaw in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and lowering said carriage and said jaws connected thereto, and means for tilting or tipping said jaws and the drum gripped thereby, said second cylinder being connected to said means for tilting said jaws for tilting movement therewith, activation of said motor mechanism to move said carriage upward along said upright moving said first piston upwards in said cylinder thereby to force hydraulic fluid therein into said second cylinder to move said second piston and thereby said movable arm and said jaw mounted thereon into said drum-gripping position.

Claim 18

A device for lifting and tipping or tilting drums, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, a first jaw mounted on a movable arm connected to said carriage, said first jaw being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving said movable arm and thereby said first jaw mounted thereon into said drum-gripping position, a first cylinder and piston, said first piston being adapted for sliding movement within said first cylinder, said first cylinder being fixedly connected to said carriage for up-and-down sliding movement therewith along said upright, said first piston being operatively connected to said motor mechanism, a second cylinder and piston operatively connected to said first cylinder, said second piston being operatively connected to said movable arm and being adapted for sliding movement within said second cylinder, a second jaw mounted on a fixed arm connected to said carriage, said second jaw being pivotable between a drum-receiving position and a drum-gripping position, said first jaw and said second jaw in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and lowering said carriage and said jaws connected thereto, and means for tilting or tipping said jaws and the drum gripped thereby, said second cylinder being connected to said means for tilting said jaws for tilting movement therewith, activation of said motor mechanism to move said carriage upward along said upright moving said first piston upwards in said cylinder thereby to force hydraulic fluid therein into said second cylinder to move said second piston and thereby said movable arm and said jaw mounted thereon into said drum-gripping position.

Claim 22

A device for lifting and tipping or tilting drums, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down-sliding movement therealong, a first jaw mounted on a movable arm connected to said carriage, said first jaw being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving said movable arm and thereby said first jaw mounted thereon into said drum-gripping position, said hydraulic motor means including a first cylinder having therein a first piston for sliding movement therewithin, a second cylinder having therein a second piston for sliding movement therewithin, said second cylinder being operatively connected to said movable arm, a hollow stem interconnecting said first and second cylinders and said first and second pistons, and a valve disposed in said hollow stem for controlling the flow of hydraulic fluid between said first and second cylinders, whereby fluid entering said first cylinder when said valve is open flows through said stem into said second cylinder to move said movable arm into contact with the drum and to fill said second cylinder with fluid whereby said valve closes and fluid entering said first cylinder moves said first piston therewithin and thereby said second cylinder to move said movable arm and said jaw carried thereby into said drum-gripping position, a second jaw mounted on a fixed arm Connected to said carriage, said second jaw being pivotable between a drum-receiving position and a drum-gripping position, said first jaw and said second jaw in aid drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and lowering said carriage and said jaws connected thereto, and means for tilting or tipping said jaws and the drum gripped thereby.

Claim 23

A device for lifting and tipping or tilting drums, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down-sliding movement therealong, a first jaw mounted on a movable arm connected to said carriage, said first jaw being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving said movable arm and thereby said first jaw mounted thereon into said drum-gripping position, said hydraulic motor means including a first cylinder having therein a first piston for sliding movement therewithin, a second cylinder having therein a second piston for sliding movement therewithin, said second cylinder being operatively connected to said movable arm, a hollow stem interconnecting said first and second cylinders and said first and second pistons, and a valve disposed in said hollow stem for controlling the flow of hydraulic fluid between said first and second cylinders, whereby fluid entering said first cylinder when said valve is open flows through said stem into said second cylinder to move said movable arm into contact with the drum and to fill said second cylinder with fluid whereby said valve closes and fluid entering said first cylinder moves said first piston therewithin and thereby said second cylinder to move said movable arm and said jaw carried thereby into said drum-gripping position, a second jaw mounted on a fixed arm Connected to said carriage, said second jaw being pivotable between a drum-receiving position and a drum-gripping position, said first jaw and said second jaw in aid drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and lowering said carriage and said jaws connected thereto, and means for tilting or tipping said jaws and the drum gripped thereby.

Claim 24

A device for lifting and tipping or tilting articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, an article-gripping member connected to said carriage, said gripping member being hydraulically adjustable securely to grip the article, mechanism connected to said carriage for raising and lowering said carriage and said article-gripping member, and means for tilting or tipping said article-gripping member and the article gripped thereby, said means, including a pulley rotatably secured to said carriage for rotation with respect thereto, said pulley being slidable with said carriage along said upright, two foot pedals supported on said base, two cables disposed about said pulley, each of said cables being fixedly connected to one of said foot pedals and to said upright, said foot pedals being movable to tighten the associated one of said cables around said pulley, whereby rotation of said pulley in response to the tightening of one of said cables about said pulley and subsequent movement of said carriage along said upright tilts the article gripped in said hydraulically adjustable article-gripping member.

Claim 25

A device for lifting and tipping or tilting articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, an article-gripping member connected to said carriage, said gripping member being hydraulically adjustable securely to grip the article, mechanism connected to said carriage for raising and lowering said carriage and said article-gripping member, and means for tilting or tipping said article-gripping member and the article gripped thereby, said means, including a pulley rotatably secured to said carriage for rotation with respect thereto, said pulley being slidable with said carriage along said upright, two foot pedals supported on said base, two cables disposed about said pulley, each of said cables being fixedly connected to one of said foot pedals and to said upright, said foot pedals being movable to tighten the associated one of said cables around said pulley, whereby rotation of said pulley in response to the tightening of one of said cables about said pulley and subsequent movement of said carriage along said upright tilts the article gripped in said hydraulically adjustable article-gripping member.

Claim 26

A device for lifting and tipping or tilting drums or other articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, two jaws connected to said carriage, said jaws being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving at least one of said jaws into said drum-gripping position, said jaws in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and lowering said carriage and said jaws, a safety valve associated with said hydraulic motor means for preventing premature release of said jaws from said drum-gripping position and including a gear segment associated with a cylindrical member having thereon circular spaced-apart flanges for cooperation with said gear segment whereby up-and-down movement of said cylindrical member moves the gear segment in an arc, thereby to operate said safety valve.

Claim 27

A device for lifting and tipping or tilting drums or other articles, said device comprising a base, an upright supported on said base, a carriage member slidable on said upright for up-and-down sliding movement therealong, two jaws connected to said carriage, said jaws being pivotable between a drum-receiving position and a drum-gripping position, hydraulic motor means for moving at least one of said jaws into said drum-gripping position, said jaws in said drum-gripping position securely gripping and substantially encircling the drum, motor mechanism connected to said carriage for raising and lowering said carriage and said jaws, a safety valve associated with said hydraulic motor means for preventing premature release of said jaws from said drum-gripping position and including a gear segment associated with a cylindrical member having thereon circular spaced-apart flanges for cooperation with said gear segment whereby up-and-down movement of said cylindrical member moves the gear segment in an arc, thereby to operate said safety valve.