US3888064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple grip length mounting bolt
Assignee: Harvard Industries Inc
•
Filing: 1973-11-16
•
Granted: 1975-06-10
•
Expires: 1993-11-16
Abstract
Abstract A mounting bolt for mounting an item upon one of at least two mounting boards of different thicknesses wherein the mounting boards are provided with key-hole type slots through which the bolt is passed and the bolt has a head providing a primary gripping surface for accommodating a board of one thickness and a collar providing an auxiliary gripping surface spaced from the primary gripping surface for accommodating another board of another thickness.
Inventors
- 👤 Peter A Basile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/09; F16B5/00; F16B5/02; F16B5/0216; F16B5/0233; F16B35/00; F16B35/04; F16B35/041; Y; Y10; Y10T; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
369 words
Apparatus for mounting an item upon either of at least two mounting boards of differing thicknesses, said apparatus comprising, in combination: a. at least two mounting boards of differing thicknesses, each of said boards containing at least one laterally extending keyhole configured slot passing through the thickness thereof, each of said slots having a larger diametered portion interconnected with a smaller diametered portion; b. an item adapted to be mounted in juxtaposition with at least one of said mounting boards, said item having a portion, including securing means, adapted to be positioned adjacent to either of said boards; c. a mounting bolt adapted to mount said item on either of said boards, said bolt comprising: i. a shank extending longitudinally between opposite ends thereof, said shank being dimensioned to be positioned within the smaller diametered portion of said slot; ii. a head at one end of said shank, the diameter of said head being smaller than the diameter of the larger diametered portion of said slot and larger than the diameter of the smaller diametered portion of said slot, said head defining a primary gripping surface extending laterally relative to said shank, said primary gripping surface adapted to engage the thicker of said mounting boards adjacent said smaller diametered portion of said slot; iii. securing means at the other end of said shank adapted to engage the securing means of said portion of said item so as to secure said mounting bolt to said item with said item at a fixed position on said shank relative to the gripping surface; and iv. spacing means on said shank between said head and said fixed position, said spacing means including a collar having an auxiliary gripping surface thereon, said collar being captively contained within a recess on said shank and being movable laterally relative to the shank so as to be alternately placed and removed from between the primary gripping surface and said fixed position, said auxiliary gripping surface being adapted to engage the thinner of the said mounting boards adjacent the smaller diametered portion of said slot; the longitudinal distance between the primary gripping surface and the auxiliary gripping surface corresponding essentially to the incremental difference between said board thicknesses.
Claim 2
Dependent Claim
369 words
Apparatus for mounting an item upon either of at least two mounting boards of differing thicknesses, said apparatus comprising, in combination: a. at least two mounting boards of differing thicknesses, each of said boards containing at least one laterally extending keyhole configured slot passing through the thickness thereof, each of said slots having a larger diametered portion interconnected with a smaller diametered portion; b. an item adapted to be mounted in juxtaposition with at least one of said mounting boards, said item having a portion, including securing means, adapted to be positioned adjacent to either of said boards; c. a mounting bolt adapted to mount said item on either of said boards, said bolt comprising: i. a shank extending longitudinally between opposite ends thereof, said shank being dimensioned to be positioned within the smaller diametered portion of said slot; ii. a head at one end of said shank, the diameter of said head being smaller than the diameter of the larger diametered portion of said slot and larger than the diameter of the smaller diametered portion of said slot, said head defining a primary gripping surface extending laterally relative to said shank, said primary gripping surface adapted to engage the thicker of said mounting boards adjacent said smaller diametered portion of said slot; iii. securing means at the other end of said shank adapted to engage the securing means of said portion of said item so as to secure said mounting bolt to said item with said item at a fixed position on said shank relative to the gripping surface; and iv. spacing means on said shank between said head and said fixed position, said spacing means including a collar having an auxiliary gripping surface thereon, said collar being captively contained within a recess on said shank and being movable laterally relative to the shank so as to be alternately placed and removed from between the primary gripping surface and said fixed position, said auxiliary gripping surface being adapted to engage the thinner of the said mounting boards adjacent the smaller diametered portion of said slot; the longitudinal distance between the primary gripping surface and the auxiliary gripping surface corresponding essentially to the incremental difference between said board thicknesses.
Claim 3
Dependent Claim
48 words
The invention of claim 1 wherein said collar includes a portion extending In a lateral direction beyond the shank and being movable laterally within said recess to a position wherein said portion is flush with said shank, said auxiliary gripping surface being on said portion of the collar.
Claim 4
Dependent Claim
20 words
The invention of claim 2 wherein said collar extends longitudinally from the auxiliary gripping surface to the primary gripping surface.
Claim 5
Dependent Claim
39 words
The invention of claim 2 wherein said collar is oblong, said collar extends beyond the shank in the direction of the major dimension of the collar and is captured within the recess along the minor dimension of the collar.
Claim 6
Dependent Claim
20 words
The invention of claim 4 wherein said collar extends longitudinally from the auxiliary gripping surface to the primary gripping surface.
Claim 7
Dependent Claim
71 words
The invention of claim 5 wherein the securing means of said bolt at the other end of said shank comprises an external thread on the shank and wherein the securing means of said item comprises an internal thread contained within an aperture adapted to threadably engage said external thread in such a manner that said fixed location is determined by a shoulder between the thread and the remainder of the shank.
Claim 8
Dependent Claim
13 words
The invention of claim 6 wherein the said item is a telephone housing.
Claim 9
Independent Claim
473 words
A method of mounting an item upon either of at least two mounting boards of differing thicknesses, each of said boards containing at least one laterally extending keyhole configured slot passing through the thickness thereof, each of said slots having a larger diametered portion interconnected with a smaller diametered portion, said method comprising the following steps: a. providing a mounting bolt adapted to mount said item on either of said boards, said bolt comprising: i. a shank extending longitudinally between opposite ends thereof, said shank adapted to be positioned within the smaller diametered position of said slot; ii. a head at one end of said shank, the diameter of said head being smaller than the diameter of the larger diametered portion of said slot and larger than the diameter of the smaller diametered portion of said slot, said head defining a primary gripping surface extending laterally relative to said shank, said primary gripping surface adapted to engage the thicker of the said mounting boards adjacent said smaller diametered portion of said slot; iii. securing means at the other end of said shank adapted to engage securing means on said item so as to secure said mounting bolt to said item with said item at a fixed position on said shank relative to the gripping surface; and iv. spacing means on said shank between said head and said fixed position, said spacing means including a collar having an auxiliary gripping surface thereon, said collar being captively contained within a recess on said shank and being movable laterally relative to the shank so as to be alternately placed and removed from between the primary gripping surface and said fixed position, said auxiliary gripping surface being adapted to engage the thinner of the said mounting boards adjacent the smaller diametered portion of said slot; the longitudinal distance between the primary gripping surface and the auxiliary gripping surface corresponding essentially to the incremental difference between said board thicknesses; b. engaging the securing means of said bolt to securing means on said item contained within an aperture located on the portion of said item adapted to be positioned adjacent to either of said boards; c. longitudinally passing the head of said bolt through the larger diametered portion of said slot until said item firmly abuts said board; d. securing said item to either of said boards wherein said securing comprises the steps of seating of shank of said bolt within the smaller diametered portion of said slot and positioning the collar defining the auxiliary gripping surface of said bolt between the primary gripping surface of said bolt and said board when said item is mounted on the thinner of said at least two mounting boArds, and alternately positioning the collar within said slot when said item is mounted on the thicker of said at least two mounting boards.
Claim 10
Independent Claim
473 words
A method of mounting an item upon either of at least two mounting boards of differing thicknesses, each of said boards containing at least one laterally extending keyhole configured slot passing through the thickness thereof, each of said slots having a larger diametered portion interconnected with a smaller diametered portion, said method comprising the following steps: a. providing a mounting bolt adapted to mount said item on either of said boards, said bolt comprising: i. a shank extending longitudinally between opposite ends thereof, said shank adapted to be positioned within the smaller diametered position of said slot; ii. a head at one end of said shank, the diameter of said head being smaller than the diameter of the larger diametered portion of said slot and larger than the diameter of the smaller diametered portion of said slot, said head defining a primary gripping surface extending laterally relative to said shank, said primary gripping surface adapted to engage the thicker of the said mounting boards adjacent said smaller diametered portion of said slot; iii. securing means at the other end of said shank adapted to engage securing means on said item so as to secure said mounting bolt to said item with said item at a fixed position on said shank relative to the gripping surface; and iv. spacing means on said shank between said head and said fixed position, said spacing means including a collar having an auxiliary gripping surface thereon, said collar being captively contained within a recess on said shank and being movable laterally relative to the shank so as to be alternately placed and removed from between the primary gripping surface and said fixed position, said auxiliary gripping surface being adapted to engage the thinner of the said mounting boards adjacent the smaller diametered portion of said slot; the longitudinal distance between the primary gripping surface and the auxiliary gripping surface corresponding essentially to the incremental difference between said board thicknesses; b. engaging the securing means of said bolt to securing means on said item contained within an aperture located on the portion of said item adapted to be positioned adjacent to either of said boards; c. longitudinally passing the head of said bolt through the larger diametered portion of said slot until said item firmly abuts said board; d. securing said item to either of said boards wherein said securing comprises the steps of seating of shank of said bolt within the smaller diametered portion of said slot and positioning the collar defining the auxiliary gripping surface of said bolt between the primary gripping surface of said bolt and said board when said item is mounted on the thinner of said at least two mounting boArds, and alternately positioning the collar within said slot when said item is mounted on the thicker of said at least two mounting boards.
Claim 11
Dependent Claim
20 words
The method of claim 8 wherein said collar extends longitudinally from the auxiliary gripping surface to the primary gripping surface.
Claim 12
Dependent Claim
64 words
The method of claim 9 wherein the securing means of said bolt at the other end of said shank comprises an external thread and wherein the securing means of said item comprises an internal thread contained within said aperture and wherein said item is secured to said bolt by threadably engaging the external thread of said bolt with the internal thread of said item.
References Cited (Backward Citations)
US1219223A
Cited
US2383068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-09 | 1978-12-09 | 1979-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-09 | 1982-12-09 | 1983-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-09 | 1986-12-09 | 1987-06-10 | $7700.00 | Window Closed / Lapsed |