US3722631A — Vehicular chock

Claim 1

Independent Claim 133 words

In an improved chocking device for vehicular wheel engagement, an overhead tubular mounting assembly adapted to be secured to an under side of the vehicle adjacent a wheel thereof, a collapsible-expandable arm assembly at its upper end pivotally secured on said mounting assembly for alternatE movement into a substantially fully collapsed inwardly slid position with respect thereto and a lower substantially fully extending position adjacent the wheel that is to be chocked, a chock shoe assembly pivotally mounted on a lower end of said arm assembly and adapted to be moved into and out of a wedging relation between the wheel and a road surface, and said mounting assembly having a hollow open-end tubular member adapted to telescopically receive said arm assembly therein when said arm assembly is in its fully collapsed position.

Claim 2

Dependent Claim 133 words

In an improved chocking device for vehicular wheel engagement, an overhead tubular mounting assembly adapted to be secured to an under side of the vehicle adjacent a wheel thereof, a collapsible-expandable arm assembly at its upper end pivotally secured on said mounting assembly for alternatE movement into a substantially fully collapsed inwardly slid position with respect thereto and a lower substantially fully extending position adjacent the wheel that is to be chocked, a chock shoe assembly pivotally mounted on a lower end of said arm assembly and adapted to be moved into and out of a wedging relation between the wheel and a road surface, and said mounting assembly having a hollow open-end tubular member adapted to telescopically receive said arm assembly therein when said arm assembly is in its fully collapsed position.

Claim 3

Dependent Claim 35 words

In a chocking device as defined in claim 1, said arm assembly having a stub shaft slidably positioned within said tubular member, and means cooperating with said tubular member for retaining said stub shaft therein.

Claim 4

Dependent Claim 40 words

In a chocking device as defined in claim 2, said stub shaft being adapted to move back and forth and rotate within said tubular member, and means swingably securing an upper end of said arm assembly to said stub shaft.

Claim 5

Dependent Claim 36 words

In a chocking device as defined in claim 3, means cooperating with said tubular member and said arm assembly for latching said arm assembly in a fully collapsed and telescopically received position within said tubular member.

Claim 6

Dependent Claim 43 words

In a chocking device as defined in claim 3, an electric micro switch mounted adjacent a back end of said tubular member and adapted to be opened and closed by the back and forth movement of said stub shaft within said tubular member.

Claim 7

Dependent Claim 31 words

In a chocking device as defined in claim 5, an electric warning system connected to said switch to indicate when said arm assembly is not fully positioned within said tubular member.

Claim 8

Dependent Claim 75 words

In a chocking device as defined in claim 5 as employed in combination with a vehicular electrical system that includes a source of electrical energy and an electric ignition switch, an electrically energized warning means connected through the ignition switch and through said micro switch to the source of electrical energy, and said micro switch being normally closed and adapted to be opened by backwardly terminated movement of said stub shaft within said tubular member.

Claim 9

Dependent Claim 32 words

In a chocking device as defined in claim 1, said arm assembly comprising a pair of upper and lower tubular arm members that are telescopically-slidably-mounted and connected with respect to each other.

Claim 10

Dependent Claim 100 words

In a chocking device as defined in claim 1, said arm member assembly having a pair of upper and lower arm members, means slidably adjusting said pair of members with respect to each other for moving them between contracted positions and extended positions with respect to each other, a stub shaft slidably positioned within said overhead tubular mounting assembly for slidable movement therealong, a swingable connection between the upper end of said upper arm member and said stub shaft, and said upper arm member being adapted for supported movement on said stub shaft into and out of said mounting assembly.

Claim 11

Dependent Claim 37 words

In a chocking device as defined in claim 9, said lower arm member having a pin and slot connection with said upper arm member and being adapted to slide into and out of said upper arm member.

Claim 12

Dependent Claim 60 words

In a chocking device as defined in claim 9, said lower arm member having elongated guide slot means therealong, said upper arm member having a cross-extending pin guidably extending across said lower arm member through said guide slot means, and said lower arm member being adapted to slide into and out of said upper arm member along said cross-extending pin.

Claim 13

Dependent Claim 131 words

In a chocking device as defined in claim 9, said stub shaft having a pair of outwardly projecting bifurcated portions of rounded segmental shape and also being adapted to rotate within said tubular mounting assembly, said upper arm member having a pivot lug swingably mounted between said bifurcated portions, said arm assembly having an outwardly projecting latching pin, said mounting assembly having a tubular member provided with an operating chamber therealong that has an open front end portion, an inwardly projectinG flange about said front open end portion for retaining said stub shaft within the operating chamber, and said flange having bypass notches for bypassing said latching pin into the chamber and for latching said pin within said chamber upon rotation of said arm assembly with respect to said mounting assembly.

Claim 14

Dependent Claim 160 words

In an improved chocking device for engaging the tire of a wheel of a vehicle for retaining the vehicle in a desired position on a road surface, an overhead support assembly adapted to be secured to an under side of the vehicle adjacent the wheel that is to be chocked, a collapsible and expandable connecting arm assembly swingably secured at its upper end on said mounting assembly, a chock assembly having a chock shoe pivotally mounted on the lower end of said arm assembly for movement into and out of engagement between the tire of the wheel and the road surface, said chock assembly having finger lift means operatively carried by said chock shoe and adapted to engage the road surface for initially pivoting said chock shoe out of wedging engagement with the tire when the vehicle is to be moved, and said arm and mounting assemblies having means for locking said arm assembly in an upper out-of-the-way retained position.

Claim 15

Dependent Claim 160 words

In an improved chocking device for engaging the tire of a wheel of a vehicle for retaining the vehicle in a desired position on a road surface, an overhead support assembly adapted to be secured to an under side of the vehicle adjacent the wheel that is to be chocked, a collapsible and expandable connecting arm assembly swingably secured at its upper end on said mounting assembly, a chock assembly having a chock shoe pivotally mounted on the lower end of said arm assembly for movement into and out of engagement between the tire of the wheel and the road surface, said chock assembly having finger lift means operatively carried by said chock shoe and adapted to engage the road surface for initially pivoting said chock shoe out of wedging engagement with the tire when the vehicle is to be moved, and said arm and mounting assemblies having means for locking said arm assembly in an upper out-of-the-way retained position.

Claim 16

Dependent Claim 68 words

In a chocking device as defined in claim 13, said overhead support assembly having a stowing tube that defines an elongated chamber portion therein, said chamber portion being adapted to substantially fully receive said arm assembly therein when the device is in its upper out-of-the-way position, and means associated with said arm assembly and said stowing tube for locking said assembly in a collapsed position within said tube.

Claim 17

Dependent Claim 48 words

In a chocking device as defined in claim 14, said chock shoe having a bifurcated back end portion within which said finger lift means is pivotally mounted, and means cooperating with said bifurcated portion for swingably mounting said chock shoe on a lower end of said arm assembly.

Claim 18

Dependent Claim 108 words

In a chocking device as defined in claim 14, a cap closing-off a back end of the chamber portion of said stowing tube, normally closed switch means operatively mounted on the inside of said cap, an electric light circuit connected through an ignition switch to a battery of the vehicle, a stub shaft mounted for back and forth and rotative movement within said stowing tube, pivot means connecting a forward end of said shaft to an upper end of said arm assembly, and said shaft being adapted, when in a backward position within the chamber portion of said stowing tube, to engage said switch means to open it.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1976-03-26	1976-09-25	1977-03-27	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1980-03-26	1980-09-25	1981-03-27	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1984-03-26	1984-09-25	1985-03-27	$7700.00	Window Closed / Lapsed

Vehicular chock

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