US3797672A — Apparatus attachable to a truck body or the like …

Claim 1

Independent Claim 306 words

A structure of the character described comprising a base frame adapted for securement to a truck body of a motor vehicle or the like, said base frame including a front cross-member, a rear cross-member, bracing means comprising a pair of spaced longitudinally extending members pivotally connected to said front cross-member with said longitudinally extending members extending to said rear cross-member, said longitudinally extending members extending substantially centrally on the sides of said base frame, a main beam supported on said base frame and centrally positioned between said pair of spaced longitudinally extending members, said main beam adapted for movement from a substantially horizontal non-use position to a substantially vertical upright position for use, means including a winch and a cable for moving said beam from said horizontal position to the substaNtially vertical position and vice versa, a cross-member secured adjacent the outer end of said main beam, said crossmember adapted when in use to be positioned to extend transversely to said main beam and when in non-use positioned to be positioned substantially parallel with the main beam, said winch secured to said main beam with said winch operating the cable and in which the cross-member has pulleys at the opposite ends of said cross-member, with the cable cooperating with said pulleys whereby said cable may be connected to a load for raising said load by the operation of said winch, latching means pivotally secured to said longitudinally extending bracing members, said latching means adapted to be connected to said cable to be raised by the cable to simultaneously elevate said spaced longitudinal bracing members, said latching means including a frame member which supports a spring biased latching member for latching engagement with said main beam, and a second latching member gravity operated for engagement with said main beam for latching said main beam in upright position.

Claim 2

Dependent Claim 306 words

A structure of the character described comprising a base frame adapted for securement to a truck body of a motor vehicle or the like, said base frame including a front cross-member, a rear cross-member, bracing means comprising a pair of spaced longitudinally extending members pivotally connected to said front cross-member with said longitudinally extending members extending to said rear cross-member, said longitudinally extending members extending substantially centrally on the sides of said base frame, a main beam supported on said base frame and centrally positioned between said pair of spaced longitudinally extending members, said main beam adapted for movement from a substantially horizontal non-use position to a substantially vertical upright position for use, means including a winch and a cable for moving said beam from said horizontal position to the substaNtially vertical position and vice versa, a cross-member secured adjacent the outer end of said main beam, said crossmember adapted when in use to be positioned to extend transversely to said main beam and when in non-use positioned to be positioned substantially parallel with the main beam, said winch secured to said main beam with said winch operating the cable and in which the cross-member has pulleys at the opposite ends of said cross-member, with the cable cooperating with said pulleys whereby said cable may be connected to a load for raising said load by the operation of said winch, latching means pivotally secured to said longitudinally extending bracing members, said latching means adapted to be connected to said cable to be raised by the cable to simultaneously elevate said spaced longitudinal bracing members, said latching means including a frame member which supports a spring biased latching member for latching engagement with said main beam, and a second latching member gravity operated for engagement with said main beam for latching said main beam in upright position.

Claim 3

Dependent Claim 41 words

A structure as set forth in claim 1 in which the base includes a plurality of spaced legs and a pair of spaced sides which spaced sides and front and rear cross-members form a generally square or rectangular shape in plan.

Claim 4

Dependent Claim 55 words

A structure as set forth in claim 2 in which the legs, sides, front and rear cross-members of the base frame are tubular and square in cross-section with spaced openings whereby said members may be connected at said openings to provide a base frame of a size determined by the size of the truck body.

Claim 5

Dependent Claim 61 words

A structure as set forth in claim 1 in which the cable is connected to a load pulley which supports a hook which is detachably secured to the latching means when said latching means is to be raised and which hook is adapted to be attached to a load for lifting the load when the beam is locked in upright position.

Claim 6

Dependent Claim 48 words

A structure as set forth in claim 1 in which the spring biased latching member has upwardly extending teeth which engage a cross-pin on the main beam and in which the gravity operated latching member has downwardly extending teeth for engagement with a cross-pin on the main beam.

Claim 7

Dependent Claim 93 words

A structure as set forth in claim 1 in which the frame member of the latching means has means at the lower end for engaging a pin on the base frame for positively locking said latching frame to said base frame, which last mentioned means has a stationary plate and a slidable plate slidable relative to the stationary plate and gravity operated to prevent disengagement of said latching frame from said base frame, said slidable plate adapted to be manually lifted to permit disengagement of said latching frame from its positively locked position.

Claim 8

Dependent Claim 33 words

A structure as set forth in claim 1 in which the main beam has means thereon where a person may stand and be supported thereon while said beam is in an upright position.

Claim 9

Dependent Claim 22 words

A structure as set forth in claim 7 in which the main beam has spaced cross-bars forming steps for ascending the beam.

Claim 10

Dependent Claim 43 words

A structure as set forth in claim 1 in which the base frame, main beam and bracing means are detachable and disassembled and are in a knockdown condition and are readily assembled and secured to a truck body to form the operating unit.

Claim 11

Dependent Claim 276 words

A structure of the character described comprising a base frame adapted for securement to a truck body of a motor vehicle or the like, said base frame including a front cross-member and a rear cross-member, longitudinally extending bracing means pivotally connected to said front cross-member with said bracing means extending to said rear cross-member, a main beam supported on said base frame and centrally positioned on said base frame for movement from a substantially horizontal non-use position to a substantially vertical upright position for use, means including a winch and a cable for moving said beam from said horizontal position to the substantially vertical position and vice versa, a cross-member secured adjacent the outer end of said main beam, said cross-member adapted when in use to be positioned to extend transversely of said main beam and when in non-use position to be positioned substantially parallel with said main beam, said winch secured to said main beam, with said winch operating the cable and in which the cross-member has pulleys at the opposite ends of said cross-member, with the cable cooperating with said pulleys whereby said cable may be connected to a load for raising said load by operation of said winch, latching means pivotally secured to said longitudinally extending bracing means adjacent the rear of said bracing means, said latching means adapted to be connected to said cable to be raised by the cable to simultaneously elevate said bracing means, said latching means including a spring biased latching member for engagement with said main beam, and a second latching member gravity operated for engagement with said main beam for locking said main beam in upright position.

Claim 12

Dependent Claim 276 words

A structure of the character described comprising a base frame adapted for securement to a truck body of a motor vehicle or the like, said base frame including a front cross-member and a rear cross-member, longitudinally extending bracing means pivotally connected to said front cross-member with said bracing means extending to said rear cross-member, a main beam supported on said base frame and centrally positioned on said base frame for movement from a substantially horizontal non-use position to a substantially vertical upright position for use, means including a winch and a cable for moving said beam from said horizontal position to the substantially vertical position and vice versa, a cross-member secured adjacent the outer end of said main beam, said cross-member adapted when in use to be positioned to extend transversely of said main beam and when in non-use position to be positioned substantially parallel with said main beam, said winch secured to said main beam, with said winch operating the cable and in which the cross-member has pulleys at the opposite ends of said cross-member, with the cable cooperating with said pulleys whereby said cable may be connected to a load for raising said load by operation of said winch, latching means pivotally secured to said longitudinally extending bracing means adjacent the rear of said bracing means, said latching means adapted to be connected to said cable to be raised by the cable to simultaneously elevate said bracing means, said latching means including a spring biased latching member for engagement with said main beam, and a second latching member gravity operated for engagement with said main beam for locking said main beam in upright position.

Claim 13

Dependent Claim 41 words

A structure as set forth in claim 10 in which the base includes a plurality of spaced legs and a pair of spaced sides which spaced sides and front and rear cross-members form a generally square or rectangular shape in plan.

Claim 14

Dependent Claim 55 words

A structure as set forth in claim 10 in which the legs, sides, front and rear cross-members of the base frame are tubular and square in cross-section with spaced openings whereby said members may be connected at said openings to provide a base frame of a size determined by the size of the truck body.

Claim 15

Dependent Claim 61 words

A structure as set forth in claim 10 in which the cable is connected to a load pulley which supports a hook which is detachably secured to the latching means when said latching means is to be raised and which hook is adapted to be attached to a load for lifting the load when the beam is locked in upright position.

Claim 16

Dependent Claim 48 words

A structure as set forth in claim 10 in which the spring biased latching member has upwardly extending teeth which engage a cross-pin on the main beam and in which the gravity operated latching member has downwardly extending teeth for engagement with a cross-pin on the main beam.

Claim 17

Dependent Claim 93 words

A structure as set forth in claim 10 in which the latching means has a frame which has means at the lower end for engaging a pin on the base frame for positively locking said latching frame to said base frame, which last mentioned means has a stationary plate and a slidable plate slidable relative to the stationary plate and gravity operated to prevent disengagement of said latching frame from said base frame, said slidable plate adapted to be manually lifted to permit disengagement of said latching frame from its positively locked position.

Claim 18

Dependent Claim 32 words

A structure as set forth in claim 10 in which the main beam has means thereon where a person may stand and be supported thereon while said beam is in upright position.

Claim 19

Dependent Claim 22 words

A structure as set forth in claim 16 in which the main beam has spaced cross-bars forming steps for ascending the beam.

Claim 20

Dependent Claim 44 words

The structure as set forth in claim 10 in which the base frame, main beam and bracing means are detachable and disassembled and are transported in a knockdown condition and are readily assembled and secured to a truck body to form the operating unit.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1977-03-18	1977-09-17	1978-03-19	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1981-03-18	1981-09-17	1982-03-19	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1985-03-18	1985-09-17	1986-03-19	$7700.00	Window Closed / Lapsed

Apparatus attachable to a truck body or the like for use for hoisting or lifting, or as an elevated support

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