PRY BAR HANDLE
20170050306 ยท 2017-02-23
Assignee
Inventors
Cpc classification
B25G1/102
PERFORMING OPERATIONS; TRANSPORTING
B25G1/10
PERFORMING OPERATIONS; TRANSPORTING
B25F1/00
PERFORMING OPERATIONS; TRANSPORTING
E04G2023/085
FIXED CONSTRUCTIONS
International classification
Abstract
A pry bar has a transversely disposed generally triangular cross-section handle grip portion having surfaces formed of a soft elastomeric over-molded material. The handle is formed with an inner hard thermoplastic core and molded over outer elastomeric cover. A metal tether receiving element and impact cap are fixedly secured at the handle proximate end.
Claims
1. A pry bar comprising: a handle having a distal end, a proximate end and a grip portion disposed between the ends; said grip portion comprises an upper surface, a lower surface and outwardly disposed curved side surfaces extending from the upper surface to the lower surface, said grip portion comprises a transversely disposed generally triangular cross-section, said upper surface defining one side and the outwardly disposed curved side surfaces defining two sides of the generally triangular cross-section; said handle further comprises an inner thermoplastic core and an outer integrally bonded elastomeric material; said elastomeric material being disposed on the grip portion thermoplastic core surfaces; a longitudinally extending bore through said thermoplastic core; a pry bar blade, said blade having a proximate end and a distal end; said blade proximate end being disposed within said handle bore; and said blade distal end being formed with said pry end being in angular disposition with respect to an impact cap disposed in said handle at said handle proximate end, and the blade proximate end is facingly disposed to the impact cap.
2. The pry bar of claim 1, said upper surface having a lesser curvature than the lower surface, wherein the lower surface defines the apex of the generally triangular cross-section.
3. The pry bar of claim 2, said lower surface grip portion elastomeric material comprises a plurality of longitudinally spaced generally oval grip elements.
4. The pry bar of claim 3, each said oval grip element extends upwardly at the respective sides.
5. The pry bar of claim 4, said grip portion elastomeric material being transversely disposed.
6. The pry bar of claim 1, further comprising the impact cap being fixedly disposed in the thermoplastic core material at the proximate end of the handle.
7. The pry bar of claim 6, said impact cap comprises a center line, and said handle comprises a center line, and wherein the center lines are spacedly disposed in a side elevation disposition.
8. (canceled)
9. The pry bar of claim 7, wherein the impact cap center line is more adjacent the upper surface than the lower surface.
10. The pry bar of claim 6, wherein the impact cap comprises metal, and further comprises a plurality of radially extending metal serrations grippingly engaged in the thermoplastic core.
11.-12. (canceled)
13. The pry bar of claim 1, further comprising a tang having a throughhole, said tang being disposed between the end of the impact cap and the handle proximate end, said tang extends beyond the handle surface, so that the throughhole is disposed away from the handle.
14. A pry bar handle comprising: a handle having a distal end, a proximate end and a grip portion disposed between the ends; said grip portion comprises an upper curved surface, a lower curved surface and outwardly disposed curved side surfaces extending from the upper curved surface to the lower curved surface, said upper surface having a lesser curvature than said lower surface; said handle further comprises an inner thermoplastic core and an outer integrally bonded elastomeric material; said handle comprising a generally triangular cross section, said upper curved surface comprising one side of the generally triangular cross-section and said lower curved surface comprises an apex of the generally triangular cross-section, said outwardly disposed curved surfaces comprise the respective sides of the generally triangular cross-section and disposed between the upper curved surface and the apex.
15. (canceled)
16. The pry bar handle of claim 14, said lower surface grip portion elastomeric material being formed as a plurality of longitudinally spaced transversely disposed generally oval grip elements, each said oval grip element extends upwardly along the respective sides.
17. The pry bar handle of claim 14, said curved sides comprise two sides of the generally triangular cross-section.
18. The pry bar handle of claim 14, further comprising a plurality of oval grip elements disposed at the lower curved surface, each said grip element extends upwardly along the sides of the over-molded elastomeric grip portion to provide improved finger gripping functionality.
19.-21. (canceled)
22. The pry bar handle of claim 18, said handle distal end upper surface comprises a plurality of thermoplastic core recessed thumb receiving ridges, wherein the thumb receiving recessed ridges in combination with the oval grip elements define the grip portion.
23. The pry bar of claim 10, wherein the radially extending elements are in parallel disposition with the handle centerline and the impact cap centerline.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
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DESCRIPTION OF THE PREFERRED EMBODIMENT
[0032] Referring to
[0033] A metal impact cap 50 is fixedly disposed or molded into the distal end of the handle 11. Cap 50 is secured within the handle core 17 by means well known in the thermoplastic molding art. Cap 50 is used, by way of example, to impact screw heads prior to driving same. The proximate end of core 17 is cooperatively formed with a serrated hole 92 for fixedly securing serrated portion 93 of metal cap 50 in the handle proximate end.
[0034] Blade distal end 16 is formed with a pry end 53. Pry end 53 has outwardly tapered sides 54, and upper and lower surfaces 56 and 57. Surfaces 56 and 57 are tapered and extend towards sharpened edge or tip 58. Tip 58 is upwardly angularly disposed with respect to shank 12.
[0035] The elastomeric material cover 18 does not cover the entire core 17. Elastomeric material cover 18 is molded over hard thermoplastic core 17 peripherally in the triangular sectional shaped handle grip portion 95. Generally triangularly shaped cross-section grip portion 95 is formed of the upper or top upwardly cured first surface 81, and outwardly curved side surfaces 82 and 33, with bottom curved portion or apex 84 (
[0036] A series of four transversely disposed oval recesses 88 (typical) are formed at the bottom curved portion 84 and extend upwardly along the sides of over-molded elastomeric grip portion 85. The oval elastomeric recesses 88 extending upwardly from apex 84 and provide improved finger gripping functionality. Three to four elastomeric grip oval finger receiving recesses are provided commensurate with the length of the handle.
[0037] A series of parallel ridged elements 89 is formed in the upper exposed hand thermoplastic core to provide a thumb receiving and holding recess, in combination with the finger receiving oval recesses 88, for improved ergonomic grip.
[0038] A metal tang 71 with tether hole 72 is fixedly disposed between metal impact cap 50 and handle planar proximate end 13.
[0039] Handle 11 is formed with centerline 61, and metal impact cap is formed with axis or centerline 62. As best shown in
[0040] Referring to
[0041] Referring to
[0042] Referring to
[0043] As demonstrated in the FIGS., the vertical spatial disposition between the handle centerline and the end cap centerline or axis is commensurately proportioned to the length of the handle. This end cap and grip portion disposition, and in further combination with the generally triangular grip portion, provides improved grip functionally in both the pry bar and end cap operational modes.
[0044] The upper curved surfaces of handles 11, 111, 211 and 311 are shown with intermittent exposures of the thermoplastic core to provide in situ permanently legible trademarks and logos MAYHEW and DOMINATOR. This construction prevents the wearing away or distortion of imprinted prior art markings or trademarks as is common in prior art constructions.
[0045] In the aforesaid manner of construction, the user grips the outwardly disposed thermoplastic portion and the upper elastomeric triangles contoured portion and places the thumb on one of the distally disposed ridged surfaces for an ergonomic grip.
[0046] The core may be molded of hard thermoplastic using and the cover may be molded of with elastomeric material by well-known molding methods.
[0047] The afore-described handle surfaces and contours, and in conjunction with the pry bar configuration and disposition with respect to the handle, provide an ergonomic pry bar.
[0048] While the foregoing describes certain embodiments of the invention, various modifications and changes may be made within the spirit and scope of the invention, as defined by the adjoined claims.